GitHub - amanbolat/awesome-go-with-stars: Awesome-go list with stars. Automatically updated

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This repository is a clone of Awesome Go but with stars. All repositories are sorted by star count. Stars are updated every day automatically.

Audio and Music

Libraries for manipulating audio.

1328 Oto - A low-level library to play sound on multiple platforms.
612 PortAudio - Go bindings for the PortAudio audio I/O library.
297 id3v2 - ID3 decoding and encoding library for Go.
294 GoAudio - Native Go Audio Processing Library.
256 flac - Native Go FLAC encoder/decoder with support for FLAC streams.
224 malgo - Mini audio library.
113 gaad - Native Go AAC bitstream parser.
110 minimp3 - Lightweight MP3 decoder library.
30 gosamplerate - libsamplerate bindings for go.

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Authentication and OAuth

Libraries for implementing authentication schemes.

15566 casbin - Authorization library that supports access control models like ACL, RBAC, and ABAC.
5161 jwt-go - A full featured implementation of JSON Web Tokens (JWT). This library supports the parsing and verification as well as the generation and signing of JWTs.
4831 oauth2 - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine, and App Engine support.
4290 goth - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
4167 keto - Open Source (Go) implementation of "Zanzibar: Google's Consistent, Global Authorization System". Ships gRPC, REST APIs, newSQL, and an easy and granular permission language. Supports ACL, RBAC, and other access models.
3477 authboss - Modular authentication system for the web. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure it, and start building your app without having to build an authentication system each time.
1900 loginsrv - JWT login microservice with plugable backends such as OAuth2 (Github), htpasswd, osiam.
1826 osin - Golang OAuth2 server library.
1628 gologin - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
1548 scs - Session Manager for HTTP servers.
1482 gorbac - provides a lightweight role-based access control (RBAC) implementation in Golang.
740 paseto - Golang implementation of Platform-Agnostic Security Tokens (PASETO).
612 jwt - Safe, simple, and fast JSON Web Tokens for Go.
489 permissions2 - Library for keeping track of users, login states, and permissions. Uses secure cookies and bcrypt.
484 go-guardian - Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication that supports LDAP, Basic, Bearer token, and Certificate based authentication.
336 jwt - Lightweight JSON Web Token (JWT) library.
257 jeff - Simple, flexible, secure, and idiomatic web session management with pluggable backends.
229 jwt-auth - JWT middleware for Golang http servers with many configuration options.
152 go-jose - Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
130 otpgen - Library to generate TOTP/HOTP codes.
120 sessionup - Simple, yet effective HTTP session management and identification package.
112 sjwt - Simple jwt generator and parser.
111 session - Go session management for web servers (including support for Google App Engine - GAE).
75 securecookie - Efficient secure cookie encoding/decoding.
75 sessions - Dead simple, highly performant, highly customizable sessions service for go http servers.
66 gosession - This is quick session for net/http in GoLang. This package is perhaps the best implementation of the session mechanism, or at least it tries to become one.
62 branca - branca token 209 specification implementation for Golang 1.15+.
58 otpgo - Time-Based One-Time Password (TOTP) and HMAC-Based One-Time Password (HOTP) library for Go.
32 scope - Easily Manage OAuth2 Scopes In Go.
12 cookiestxt - provides a parser of cookies.txt file format.

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Blockchain

Tools for building blockchains.

43387 go-ethereum - Official Go implementation of the Ethereum protocol.
5536 tendermint - High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.
5377 cosmos-sdk - A Framework for Building Public Blockchains in the Cosmos Ecosystem.
444 solana-go - Go library to interface with Solana JSON RPC and WebSocket interfaces.
391 gossamer - A Go implementation of the Polkadot Host.
336 cometbft - A distributed, Byzantine fault-tolerant, deterministic state machine replication engine. It is a fork of Tendermint Core and implements the Tendermint consensus algorithm.

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Bot Building

Libraries for building and working with bots.

4871 telegram-bot-api - Simple and clean Telegram bot client.
3575 olivia - A chatbot built with an artificial neural network.
3216 telebot - Telegram bot framework is written in Go.
1395 wayback - A bot for Telegram, Mastodon, Slack, and other messaging platforms archives webpages.
1010 Kelp - official trading and market-making bot for the Stellar DEX. Works out-of-the-box, written in Golang, compatible with centralized exchanges and custom trading strategies.
929 Golang CryptoTrading Bot - A golang implementation of a console-based trading bot for cryptocurrency exchanges.
792 slacker - Easy to use framework to create Slack bots.
785 go-chat-bot - IRC, Slack & Telegram bot written in Go.
337 tbot - Telegram bot server with API similar to net/http.
302 go-twitch-irc - Library to write bots for twitch.tv chat
262 echotron - An elegant and concurrent library for Telegram Bots in Go.
259 go-sarah - Framework to build a bot for desired chat services including LINE, Slack, Gitter, and more.
243 telego - Telegram Bot API library for Golang with full one-to-one API implementation.
175 Tenyks - Service oriented IRC bot using Redis and JSON for messaging.
169 bot - Zero-dependencies Telegram Bot library with additional UI components
148 hanu - Framework for writing Slack bots.
144 larry - Larry 🐦 is a really simple Twitter bot generator that tweets random repositories from Github built in Go.
141 slack-bot - Ready to use Slack Bot for lazy developers: Custom commands, Jenkins, Jira, Bitbucket, Github...
119 go-tgbot - Pure Golang Telegram Bot API wrapper, generated from swagger file, session-based router, and middleware.
80 margelet - Framework for building Telegram bots.
79 ephemeral-roles - A Discord bot for managing ephemeral roles based upon voice channel member presence.
55 slackscot - Another framework for building Slack bots.
43 govkbot - Simple Go VK bot library.
27 teleterm - Telegram Bot Exec Terminal Command.
25 micha - Go Library for Telegram bot api.
go-joe - A general-purpose bot library inspired by Hubot but written in Go.

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Build Automation

Libraries and tools help with build automation.

8368 Task - simple "Make" alternative.
4406 realize - Go build a system with file watchers and live to reload. Run, build and watch file changes with custom paths.
3641 mage - Mage is a make/rake-like build tool using Go.
1665 mmake - Modern Make.
882 xc - Task runner with README.md defined tasks, executable markdown.
395 goyek - Create build pipelines in Go.
258 taskctl - Concurrent task runner.
215 1build - Command line tool to frictionlessly manage project-specific commands.
74 gaper - Builds and restarts a Go project when it crashes or some watched file changes.
31 anko - Simple application watcher for multiple programming languages.
gilbert - Build system and task runner for Go projects.

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Command Line

Advanced Console UIs

Libraries for building Console Applications and Console User Interfaces.

19402 bubbletea - Go framework to build terminal apps, based on The Elm Architecture.
12609 termui - Go terminal dashboard based on termbox-go and inspired by 15212 blessed-contrib.
9326 gocui - Minimalist Go library aimed at creating Console User Interfaces.
6124 lipgloss - Declaratively define styles for color, format and layout in the terminal.
4985 go-prompt - Library for building a powerful interactive prompt, inspired by 8522 python-prompt-toolkit.
4561 termbox-go - Termbox is a library for creating cross-platform text-based interfaces.
3958 pterm - A library to beautify console output on every platform with many combinable components.
3687 bubbles - TUI components for bubbletea.
3434 progressbar - Basic thread-safe progress bar that works in every OS.
2354 termdash - Go terminal dashboard based on termbox-go and inspired by 12609 termui.
2293 asciigraph - Go package to make lightweight ASCII line graph ╭┈╯ in command line apps with no other dependencies.
2132 spinner - Go package to easily provide a terminal spinner with options.
2077 mpb - Multi progress bar for terminal applications.
2040 uiprogress - Flexible library to render progress bars in terminal applications.
1590 uilive - Library for updating terminal output in real time.
1439 termenv - Advanced ANSI style & color support for your terminal applications.
1359 gookit/color - Terminal color rendering tool library, support 16 colors, 256 colors, RGB color rendering output, compatible with Windows.
1341 aurora - ANSI terminal colors that support fmt.Printf/Sprintf.
733 go-isatty - isatty for golang.
710 uitable - Library to improve readability in terminal apps using tabular data.
708 go-colorable - Colorable writer for windows.
501 gommon/color - Style terminal text.
462 simpletable - Simple tables in a terminal with Go.
431 chalk - Intuitive package for prettifying terminal/console output.
408 yacspin - Yet Another CLi Spinner package, for working with terminal spinners.
373 box-cli-maker - Make Highly Customized Boxes for your CLI.
332 tabby - A tiny library for super simple Golang tables.
234 bubble-table - An interactive table component for bubbletea.
214 go-colortext - Go library for color output in terminals.
95 cfmt - Contextual fmt inspired by bootstrap color classes.
71 tabular - Print ASCII tables from command line utilities without the need to pass large sets of data to the API.
60 cfmt - Simple and convenient formatted stylized output fully compatible with fmt library.
45 table - Small library for terminal color based tables .
44 ctc - The non-invasive cross-platform terminal color library does not need to modify the Print method.
41 marker - Easiest way to match and mark strings for colorful terminal outputs.
26 colourize - Go library for ANSI colour text in terminals.
14 go-ataman - Go library for rendering ANSI colored text templates in terminals.
11 go-palette - Go library that provides elegant and convenient style definitions using ANSI colors. Fully compatible & wraps the fmt library for nice terminal layouts.
6 crab-config-files-templating - Dynamic configuration file templating tool for kubernetes manifest or general configuration files.

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Standard CLI

Libraries for building standard or basic Command Line applications.

33024 cobra - Commander for modern Go CLI interactions.
20583 urfave/cli - Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
5111 elvish - An expressive programming language and a versatile interactive shell.
3930 survey - Build interactive and accessible prompts with full support for windows and posix terminals.
3362 kingpin - Command line and flag parser supporting sub commands (superseded by kong; see below).
2559 Dnote - A simple command line notebook with multi-device sync.
2427 go-flags - go command line option parser.
2157 pflag - Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
1688 go-arg - Struct-based argument parsing in Go.
1679 mitchellh/cli - Go library for implementing command-line interfaces.
1113 ops - Unikernel Builder/Orchestrator.
987 liner - Go readline-like library for command-line interfaces.
892 complete - Write bash completions in Go + Go command bash completion.
854 mow.cli - Go library for building CLI applications with sophisticated flag and argument parsing and validation.
832 flaggy - A robust and idiomatic flags package with excellent subcommand support.
692 cli - Feature-rich and easy to use command-line package based on golang struct tags.
539 argparse - Command line argument parser inspired by Python's argparse module.
271 carapace-bin - Multi-shell multi-command argument completer.
207 climax - Alternative CLI with "human face", in spirit of Go command.
193 wmenu - Easy to use menu structure for cli applications that prompt users to make choices.
179 hiboot cli - cli application framework with auto configuration and dependency injection.
171 commandeer - Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
155 clîr - A Simple and Clear CLI library. Dependency free.
146 sflags - Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin, and other libraries.
129 job - JOB, make your short-term command as a long-term job.
126 flag - Simple but powerful command line option parsing library for Go supporting subcommand.
123 cmdr - A POSIX/GNU style, getopt-like command-line UI Go library.
123 ukautz/clif - Small command line interface framework.
120 cli - Simple and complete API for building command line interfaces in Go.
118 carapace - Command argument completion generator for spf13/cobra.
107 env - Tag-based environment configuration for structs.
91 acmd - Simple, useful, and opinionated CLI package in Go.
73 version - Collects and displays CLI version information in multiple formats along with upgrade notice.
65 gocmd - Go library for building command line applications.
59 wlog - Simple logging interface that supports cross-platform color and concurrency.
55 strumt - Library to create prompt chain.
47 go-getoptions - Go option parser inspired by the flexibility of Perl’s GetOpt::Long.
46 command-chain - A go library for configure and run command chains - such as pipelining in unix shells.
42 readline Shell library with modern and easy to use UI features.
41 flagvar - A collection of flag argument types for Go's standard flag package.
38 argv - Go library to split command line string as arguments array using the bash syntax.
37 cmd - Extends the standard flag package to support sub commands and more in idiomatic way.
33 go-commander - Go library to simplify CLI workflow.
23 go-andotp - A CLI program to encrypt/decrypt 3700 andOTP files. Can be used as a library as well.
20 sand - Simple API for creating interpreters and so much more.
18 mcli - A minimal but very powerful cli library for Go.
17 ts - Timestamp convert & compare tool.
7 carapace-spec - Define simple completions using a spec file.
5 subcmd - Another approach to parsing and running subcommands. Works alongside the standard flag package.

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Configuration

Libraries for configuration parsing.

23762 viper - Go configuration with fangs.
6533 godotenv - Go port of Ruby's dotenv library (Loads environment variables from .env).
4634 kelseyhightower/envconfig - Go library for managing configuration data from environment variables.
3759 env - Parse environment variables to Go structs (with defaults).
3293 ini - Go package to read and write INI files.
1959 koanf - Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.
1494 kong - Command-line parser with support for arbitrarily complex command-line structures and additional sources of configuration such as YAML, JSON, TOML, etc (successor to kingpin).
1122 cleanenv - Minimalistic configuration reader (from files, ENV, and wherever you want).
639 konfig - Composable, observable and performant config handling for Go for the distributed processing era.
475 gookit/config - application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
471 confita - Load configuration in cascade from multiple backends into a struct.
469 aconfig - Simple, useful and opinionated config loader.
429 xdg - Go implementation of the XDG Base Directory Specification and XDG user directories.
337 GoLobby/Config - GoLobby Config is a lightweight yet powerful configuration manager for the Go programming language.
329 config - Cloud native application configuration. Bind ENV to structs in only two lines.
303 hjson - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
276 fig - Tiny library for reading configuration from a file and from environment variables (with validation & defaults).
271 store - Lightweight configuration manager for Go.
265 config - JSON or YAML configuration wrapper with environment variables and flags parsing.
234 envconfig - Read your configuration from environment variables.
215 joshbetz/config - Small configuration library for Go that parses environment variables, JSON files, and reloads automatically on SIGHUP.
164 gcfg - read INI-style configuration files into Go structs; supports user-defined types and subsections.
126 harvester - Harvester, a easy to use static and dynamic configuration package supporting seeding, env vars and Consul integration.
113 onion - Layer based configuration for Go, Supports JSON, TOML, YAML, properties, etcd, env, and encryption using PGP.
100 envcfg - Un-marshaling environment variables to Go structs.
96 envh - Helpers to manage environment variables.
86 configuro - opinionated configuration loading & validation framework from ENV and Files focused towards 12-Factor compliant applications.
83 configuration - Library for initializing configuration structs from env variables, files, flags and 'default' tag.
76 xdg - Cross platform package that follows the XDG Standard.
66 gofigure - Go application configuration made easy.
62 uConfig - Lightweight, zero-dependency, and extendable configuration management.
61 hocon - Configuration library for working with the HOCON(a human-friendly JSON superset) format, supports features like environment variables, referencing other values, comments and multiple files.
57 configure - Provides configuration through multiple sources, including JSON, flags and environment variables.
54 go-aws-ssm - Go package that fetches parameters from AWS System Manager - Parameter Store.
46 gone/jconf - Modular JSON configuration. Keep you config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.
42 go-up - A simple configuration library with recursive placeholders resolution and no magic.
40 env - A lightweight package for loading environment variables into structs.
38 config - configure you app using file, environment variables, or flags in two lines of code
36 ingo - Flags persisted in an ini-like config file.
34 mini - Golang package for parsing ini-style configuration files.
33 genv - Read environment variables easily with dotenv support.
27 conflate - Library/tool to merge multiple JSON/YAML/TOML files from arbitrary URLs, validation against a JSON schema, and application of default values defined in the schema.
17 go-ssm-config - Go utility for loading configuration parameters from AWS SSM (Parameter Store).
12 ini - INI Parser & Write Library, Unmarshal to Struct,Marshal to Json,Write File,watch file.
11 envconf - Configuration from environment.
10 nasermirzaei89/env - Simple useful package for read environment variables.
9 go-ini - A Go package that marshals and unmarshals INI-files.
9 typenv - Minimalistic, zero dependency, typed environment variables library.
8 go-conf - Simple library for application configuration based on annotated structs. It supports reading the configuration from environment variables, config files and command line parameters.
8 swap - Instantiate/configure structs recursively, based on build environment. (YAML, TOML, JSON and env).
7 piper - Viper wrapper with config inheritance and key generation.
6 gonfig - Tag-based configuration parser which loads values from different providers into typesafe struct.
5 nfigure - Per-library struct-tag based configuration from command lines (Posix & Go-style); environment, JSON, YAML
3 goConfig - Parses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.

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Continuous Integration

Tools for help with continuous integration.

27184 drone - Drone is a Continuous Integration platform built on Docker, written in Go.
4261 CDS - Enterprise-Grade CI/CD and DevOps Automation Open Source Platform.
2923 woodpecker - Woodpecker is a community fork of the Drone CI system.
767 goveralls - Go integration for Coveralls.io continuous code coverage tracking system.
417 gotestfmt - go test output for humans.
112 overalls - Multi-Package go project coverprofile for tools like goveralls.
74 duci - A simple ci server no needs domain specific languages.
58 gomason - Test, Build, Sign, and Publish your go binaries from a clean workspace.
19 roveralls - Recursive coverage testing tool.
18 go-test-coverage - Tool and GitHub action which reports issues when test coverage is below set threshold.
9 go-fuzz-action - Use Go 1.18's built-in fuzz testing in GitHub Actions.

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CSS Preprocessors

Libraries for preprocessing CSS files.

483 gcss - Pure Go CSS Preprocessor.
197 go-libsass - Go wrapper to the 100% Sass compatible libsass project.

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Data Structures and Algorithms

Bit-packing and Compression

2110 roaring - Go package implementing compressed bitsets.
209 binpacker - Binary packer and unpacker helps user build custom binary stream.
151 bit - Golang set data structure with bonus bit-twiddling functions.
88 crunch - Go package implementing buffers for handling various datatypes easily.
30 go-ef - A Go implementation of the Elias-Fano encoding.
23 bingo - Fast, zero-allocation, lexicographical-order-preserving packing of native types to bytes.

Bit Sets

1144 bitset - Go package implementing bitsets.
225 bitmap - Dense, zero-allocation, SIMD-enabled bitmap/bitset in Go.

Bloom and Cuckoo Filters

2014 bloom - Go package implementing Bloom filters.
1549 boomfilters - Probabilistic data structures for processing continuous, unbounded streams.
1004 cuckoofilter - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
264 cuckoo-filter - Cuckoo filter: a comprehensive cuckoo filter, which is configurable and space optimized compared with other implements, and all features mentioned in original paper is available.
148 bloom - Bloom filters implemented in Go.
131 ring - Go implementation of a high performance, thread safe bloom filter.
80 bloom - Golang Bloom filter implementation.
13 bloomfilter - Yet another Bloomfilter implementation in Go, compatible with Java's Guava library.

Data Structure and Algorithm Collections

14155 gods - Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
7152 go-datastructures - Collection of useful, performant, and thread-safe data structures.
903 gostl - Data structure and algorithm library for go, designed to provide functions similar to C++ STL.
738 algorithms - Algorithms and data structures.CLRS study.

Iterators

181 iter - Go implementation of C++ STL iterators and algorithms.
14 goterator - Iterator implementation to provide map and reduce functionalities.

Maps

See also Database for more complex key-value stores, and Trees for additional ordered map implementations.

64 cmap - a thread-safe concurrent map for go, support using interface{} as key and auto scale up shards.
41 dict - Python-like dictionaries (dict) for Go.
23 goradd/maps - Go 1.18+ generic map interface for maps; safe maps; ordered maps; ordered, safe maps; etc.

Miscellaneous Data Structures and Algorithms

2726 gota - Implementation of dataframes, series, and data wrangling methods for Go.
870 hyperloglog - HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
351 go-geoindex - In-memory geo index.
267 hilbert - Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
126 go-rquad - Region quadtrees with efficient point location and neighbour finding.
116 conjungo - A small, powerful and flexible merge library.
90 go-rampart - Determine how intervals relate to each other.
81 gogu - A comprehensive, reusable and efficient concurrent-safe generics utility functions and data structures library.
64 go-tuple - Generic tuple implementation for Go 1.18+.
64 count-min-log - Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
56 hide - ID type with marshalling to/from hash to prevent sending IDs to clients.
50 concurrent-writer - Highly concurrent drop-in replacement for bufio.Writer.
46 fsm - Finite-State Machine package.
45 genfuncs - Go 1.18+ generics package inspired by Kotlin's Sequence and Map.
34 go18ds - Go Data Structures using Go 1.18 generics.
31 go-generics - Generic slice, map, set, iterator, and goroutine utilities.
27 quadtree - Generic, zero-alloc, 100%-test covered quadtree.
17 gofal - fractional api for Go.
14 slices - Functions that operate on slices; like package strings but adapted to work with slices.
13 slices - Pure, generic functions for slices.

Nullable Types

76 nan - Zero allocation Nullable structures in one library with handy conversion functions, marshallers and unmarshallers.
42 typ - Null Types, Safe primitive type conversion and fetching value from complex structures.
32 null - Nullable Go types that can be marshalled/unmarshalled to/from JSON.

Queues

483 deque - Fast ring-buffer deque (double-ended queue).
312 goconcurrentqueue - Concurrent FIFO queue.
182 queue - Multiple thread-safe, generic queue implementations for Go.
137 deque - A highly optimized double-ended queue.
100 memlog - An easy to use, lightweight, thread-safe and append-only in-memory data structure inspired by Apache Kafka.

Sets

3431 golang-set - Thread-Safe and Non-Thread-Safe high-performance sets for Go.
51 goset - A useful Set collection implementation for Go.
23 set - Simple set data structure implementation in Go using LinkedHashMap.
11 dsu - Disjoint Set data structure implementation in Go.

Text Analysis

9210 bleve - Modern text indexing library for go.
655 trie - Trie implementation in Go.
397 go-edlib - Go string comparison and edit distance algorithms library (Levenshtein, LCS, Hamming, Damerau levenshtein, Jaro-Winkler, etc.) compatible with Unicode.
296 levenshtein - Implementation to calculate levenshtein distance in Go.
295 go-adaptive-radix-tree - Go implementation of Adaptive Radix Tree.
77 levenshtein - Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
33 ptrie - An implementation of prefix tree.
24 mspm - Multi-String Pattern Matching Algorithm for information retrieval.
7 parsefields - Tools for parse JSON-like logs for collecting unique fields and events.

Trees

254 skiplist - Very fast Go Skiplist implementation.
83 skiplist - Skiplist implementation in Go.
48 treemap - Generic key-sorted map using a red-black tree under the hood.
22 treap - Persistent, fast ordered map using tree heaps.
16 hashsplit - Split byte streams into chunks, and arrange chunks into trees, with boundaries determined by content, not position.
11 merkle - Space-efficient computation of Merkle root hashes and inclusion proofs.

Pipes

50 pipeline - An implementation of pipelines with fan-in and fan-out.
23 ordered-concurrently - Go module that processes work concurrently and returns output in a channel in the order of input.
23 parapipe - FIFO Pipeline which parallels execution on each stage while maintaining the order of messages and results.

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Database

Caches

Data stores with expiring records, in-memory distributed data stores, or in-memory subsets of file-based databases.

12265 groupcache - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
6721 BigCache - Efficient key/value cache for gigabytes of data.
2416 GCache - Cache library with support for expirable Cache, LFU, LRU and ARC.
2003 cache2go - In-memory key:value cache which supports automatic invalidation based on timeouts.
1912 gocache - A complete Go cache library with multiple stores (memory, memcache, redis, ...), chainable, loadable, metrics cache and more.
1820 fastcache - fast thread-safe inmemory cache for big number of entries. Minimizes GC overhead.
690 ttlcache - An in-memory cache with item expiration and generics.
288 cachego - Golang Cache component for multiple drivers.
141 cache - In-memory key:value store with expiration time, 0 dependencies, <100 LoC, 100% coverage.
133 remember-go - A universal interface for caching slow database queries (backed by redis, memcached, ristretto, or in-memory).
126 bcache - Eventually consistent distributed in-memory cache Go library.
111 go-cache - A flexible multi-layer Go caching library to deal with in-memory and shared cache by adopting Cache-Aside pattern.
105 theine - High performance, near optimal in-memory cache with proactive TTL expiration and generics.
88 imcache - A generic in-memory cache Go library. It supports expiration, sliding expiration, max entries limit, eviction callbacks and sharding.
88 go-mcache - Fast in-memory key:value store/cache library. Pointer caches.
66 timedmap - Map with expiring key-value pairs.
60 couchcache - RESTful caching micro-service backed by Couchbase server.
43 clusteredBigCache - BigCache with clustering support and individual item expiration.
28 2q - 2Q in-memory cache implementation.
10 gdcache - A pure non-intrusive cache library implemented by golang, you can use it to implement your own distributed cache.
9 ttlcache - In-memory key value storage with TTL for each record.
4 nscache - A Go caching framework that supports multiple data source drivers.
3 gocache - A data race free Go ache library with high performance and auto pruge functionality

Databases Implemented in Go

49546 prometheus - Monitoring system and time series database.
34661 tidb - TiDB is a distributed SQL database. Inspired by the design of Google F1.
27633 cockroach - Scalable, Geo-Replicated, Transactional Datastore.
25996 influxdb - Scalable datastore for metrics, events, and real-time analytics.
22307 Milvus - Milvus is a vector database for embedding management, analytics and search.
19528 dgraph - Scalable, Distributed, Low Latency, High Throughput Graph Database.
15448 dolt - Dolt – It's Git for Data.
13944 rqlite - The lightweight, distributed, relational database built on SQLite.
12630 badger - Fast key-value store in Go.
9106 VictoriaMetrics - fast, resource-effective and scalable open source time series database. May be used as long-term remote storage for Prometheus. Supports PromQL.
8324 immudb - immudb is a lightweight, high-speed immutable database for systems and applications written in Go.
6816 bbolt - An embedded key/value database for Go.
5819 goleveldb - Implementation of the 33354 LevelDB key/value database in Go.
4186 buntdb - Fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
3991 ledisdb - Ledisdb is a high performance NoSQL like Redis based on LevelDB.
3934 rosedb - An embedded k-v database based on LSM+WAL, supports string, list, hash, set, zset.
2977 nutsdb - Nutsdb is a simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
2968 godis - A Golang implemented high-performance Redis server and cluster.
2717 tiedot - Your NoSQL database powered by Golang.
1447 CovenantSQL - CovenantSQL is a SQL database on blockchain.
1293 diskv - Home-grown disk-backed key-value store.
1284 column - High-performance, columnar, embeddable in-memory store with bitmap indexing and transactions.
1224 lotusdb - Fast k/v database compatible with lsm and b+tree.
1109 Databunker - Personally identifiable information (PII) storage service built to comply with GDPR and CCPA.
1108 pogreb - Embedded key-value store for read-heavy workloads.
976 eliasdb - Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
932 moss - Moss is a simple LSM key-value storage engine written in 100% Go.
901 objectbox-go - High-performance embedded Object Database (NoSQL) with Go API.
450 clover - A lightweight document-oriented NoSQL database written in pure Golang.
417 levigo - Levigo is a Go wrapper for LevelDB.
343 pudge - Fast and simple key/value store written using Go's standard library.
249 Vasto - A distributed high-performance key-value store. On Disk. Eventual consistent. HA. Able to grow or shrink without service interruption.
217 dtf - A distributed transaction manager. Support XA, TCC, SAGA, Reliable Messages.
201 piladb - Lightweight RESTful database engine based on stack data structures.
110 unitdb - Fast timeseries database for IoT, realtime messaging applications. Access unitdb with pubsub over tcp or websocket using github.com/unit-io/unitd application.
104 libradb - LibraDB is a simple database with less then 1000 lines of code for learning.
78 hare - A simple database management system that stores each table as a text file of line-delimited JSON.
55 regatta - Fast, simple, geo-distributed KV store built for cloud native era.
34 Coffer - Simple ACID key-value database that supports transactions.
17 tempdb - Key-value store for temporary items.
Bitcask - Bitcask is an embeddable, persistent and fast key-value (KV) database written in pure Go with predictable read/write performance, low latency and high throughput thanks to the bitcask on-disk layout (LSM+WAL).

Database Schema Migration

12053 migrate - Database migrations. CLI and Golang library.
6636 bytebase - Safe database schema change and version control for DevOps teams.
4270 goose - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
3644 dbmate - A lightweight, framework-agnostic database migration tool.
3509 atlas - A Database Toolkit. A CLI designed to help companies better work with their data.
2921 sql-migrate - Database migration tool. Allows embedding migrations into the application using go-bindata.
1361 soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
1166 skeema - Pure-SQL schema management system for MySQL, with support for sharding and external online schema change tools.
925 gormigrate - Database schema migration helper for Gorm ORM.
904 goavro - A Go package that encodes and decodes Avro data.
154 migrator - Dead simple Go database migration library.
135 darwin - Database schema evolution library for Go.
83 go-pg-migrations - A Go package to help write migrations with go-pg/pg.
64 sqlize - Database migration generator. Allows generate sql migration from model and existing sql by differ them.
43 avro - Discover SQL schemas and convert them to AVRO schemas. Query SQL records into AVRO bytes.
29 schema - Library to embed schema migrations for database/sql-compatible databases inside your Go binaries.
29 go-fixtures - Django style fixtures for Golang's excellent built-in database/sql library.
24 migrator - MySQL database migrator designed to run migrations to your features and manage database schema update with intuitive go code.
13 libschema - Define your migrations separately in each library. Migrations for open source libraries. MySQL & PostgreSQL.
11 go-pg-migrate - CLI-friendly package for go-pg migrations management.
9 gorm-seeder - Simple database seeder for Gorm ORM.
5 godfish - Database migration manager, works with native query language. Support for cassandra, mysql, postgres, sqlite3.

Database Tools

16645 vitess - vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services.
8000 pgweb - Web-based PostgreSQL database browser.
6235 kingshard - kingshard is a high performance proxy for MySQL powered by Golang.
5121 orchestrator - MySQL replication topology manager & visualizer.
4180 go-mysql - Go toolset to handle MySQL protocol and replication.
3989 go-mysql-elasticsearch - Sync your MySQL data into Elasticsearch automatically.
3874 pREST - Simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new.
1127 chproxy - HTTP proxy for ClickHouse database.
898 pg_timetable - Advanced scheduling for PostgreSQL.
431 clickhouse-bulk - Collects small inserts and sends big requests to ClickHouse servers.
275 rdb - Redis RDB file parser for secondary development and memory analysis.
181 octillery - Go package for sharding databases ( Supports every ORM or raw SQL ).
88 dbbench - Database benchmarking tool with support for several databases and scripts.
56 datagen - A fast data generator that's multi-table aware and supports multi-row DML.
33 prep - Use prepared SQL statements without changing your code.
21 onedump - Database backup from different drivers to different destinations with one command and configuration.
18 rwdb - rwdb provides read replica capability for multiple database servers setup.
8 dynago - Simplify working with AWS DynamoDB.
hasql - Library for accessing multi-host SQL database installations.

SQL Query Builders

Libraries for building and using SQL.

8835 sqlc - Generate type-safe code from SQL.
5966 Squirrel - Go library that helps you build SQL queries.
3422 xo - Generate idiomatic Go code for databases based on existing schema definitions or custom queries supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server.
1951 goqu - Idiomatic SQL builder and query library.
1511 gendry - Non-invasive SQL builder and powerful data binder.
1448 jet - Framework for writing type-safe SQL queries in Go, with ability to easily convert database query result into desired arbitrary object structure.
680 Dotsql - Go library that helps you keep sql files in one place and use them with ease.
612 ozzo-dbx - Powerful data retrieval methods as well as DB-agnostic query building capabilities.
387 dbq - Zero boilerplate database operations for Go.
332 sqlingo - A lightweight DSL to build SQL in Go.
258 sqrl - SQL query builder, fork of Squirrel with improved performance.
194 sq - Type-safe SQL builder and struct mapper for Go.
124 sqlf - Fast SQL query builder.
123 buildsqlx - Go database query builder library for PostgreSQL.
112 igor - Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
97 bqb - Lightweight and easy to learn query builder.
69 builq - Easily build SQL queries in Go.
58 godbal - Database Abstraction Layer (dbal) for go. Support SQL builder and get result easily.
29 qry - Tool that generates constants from files with raw SQL queries.
29 gosql - SQL Query builder with better null values support.
11 ormlite - Lightweight package containing some ORM-like features and helpers for sqlite databases.
4 sg - A SQL Gen for generating standard SQLs(supports: CRUD) written in Go.
Squalus - Thin layer over the Go SQL package that makes it easier to perform queries.

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Database Drivers

Interfaces to Multiple Backends

14616 cayley - Graph database with support for multiple backends.
573 gokv - Simple key-value store abstraction and implementations for Go (Redis, Consul, etcd, bbolt, BadgerDB, LevelDB, Memcached, DynamoDB, S3, PostgreSQL, MongoDB, CockroachDB and many more).
70 go-transaction-manager - Transaction manager with multiple adapters (sql, sqlx, gorm, mongo, ...) controls transaction boundaries.
27 dsc - Datastore connectivity for SQL, NoSQL, structured files.

Relational Database Drivers

13603 go-sql-driver/mysql - MySQL driver for Go.
8239 pq - Pure Go Postgres driver for database/sql.
7598 pgx - PostgreSQL driver supporting features beyond those exposed by database/sql.
6806 go-sqlite3 - SQLite3 driver for go that uses database/sql.
1752 go-mssqldb - Microsoft MSSQL driver for Go.
611 sqlhooks - Attach hooks to any database/sql driver.
608 go-oci8 - Oracle driver for go that uses database/sql.
452 godror - Oracle driver for Go, using the ODPI-C driver.
233 KSQL - A Simple and Powerful Golang SQL Library
201 firebirdsql - Firebird RDBMS SQL driver for Go.
178 surrealdb.go - SurrealDB Driver for Go.
141 Sqinn-Go - SQLite with pure Go.
133 go-adodb - Microsoft ActiveX Object DataBase driver for go that uses database/sql.
109 avatica - Apache Avatica/Phoenix SQL driver for database/sql.
109 gofreetds - Microsoft MSSQL driver. Go wrapper over FreeTDS.
101 ydb-go-sdk - native and database/sql driver YDB (Yandex Database)
20 bgc - Datastore Connectivity for BigQuery for go.
13 pig - Simple 7598 pgx wrapper to execute and 981 scan query results easily.

NoSQL Database Drivers

17765 redis - Redis client for Golang.
9584 redigo - Redigo is a Go client for the Redis database.
7570 mongo-go-driver - Official MongoDB driver for the Go language.
1962 mgo - (unmaintained) MongoDB driver for the Go language that implements a rich and well tested selection of features under a very simple API following standard Go idioms.
1822 rueidis - Fast Redis RESP3 client with auto pipelining and server-assisted client side caching.
1636 gorethink - Go language driver for RethinkDB.
1632 gomemcache - memcache client library for the Go programming language.
1171 qmgo - The MongoDB driver for Go. It‘s based on official MongoDB driver but easier to use like Mgo.
681 mgm - MongoDB model-based ODM for Go (based on official MongoDB driver).
427 redeo - Redis-protocol compatible TCP servers/services.
411 aerospike-client-go - Aerospike client in Go language.
389 neoism - Neo4j client for Golang.
346 gocb - Official Couchbase Go SDK.
322 go-rejson - Golang client for redislabs' ReJSON module using Redigo golang client. Store and manipulate structs as JSON objects in redis with ease.
316 go-couchbase - Couchbase client in Go.
275 Kivik - Kivik provides a common Go and GopherJS client library for CouchDB, PouchDB, and similar databases.
109 godis - redis client implement by golang, inspired by jedis.
76 Neo4j-GO - Neo4j REST Client in golang.
73 arangolite - Lightweight golang driver for ArangoDB.
58 go-pilosa - Go client library for Pilosa.
33 forestdb - Go bindings for ForestDB.
30 goriak - Go language driver for Riak KV.
27 neo4j - Neo4j Rest API Bindings for Golang.
19 xredis - Typesafe, customizable, clean & easy to use Redis client.
18 gocosmos - REST client and standard database/sql driver for Azure Cosmos DB.
11 godscache - A wrapper for the Google Cloud Platform Go Datastore package that adds caching using memcached.
9 asc - Datastore Connectivity for Aerospike for go.
gocql - Go language driver for Apache Cassandra.

Search and Analytic Databases

7202 elastic - Elasticsearch client for Go.
5099 go-elasticsearch - Official Elasticsearch client for Go.
1081 elasticsql - Convert sql to elasticsearch dsl in Go.
951 elastigo - Elasticsearch client library.
88 skizze - probabilistic data-structures service and storage.
29 goes - Library to interact with Elasticsearch.

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Date and Time

Libraries for working with dates and times.

4215 now - Now is a time toolkit for golang.
3386 carbon - A simple, semantic and developer-friendly golang package for datetime.
1898 dateparse - Parse date's without knowing format in advance.
765 carbon - Simple Time extension with a lot of util methods, ported from PHP Carbon library.
465 durafmt - Time duration formatting library for Go.
193 timeutil - Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
182 gostradamus - A Go package for working with dates.
168 go-persian-calendar - The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
126 iso8601 - Efficiently parse ISO8601 date-times without regex.
115 date - Augments Time for working with dates, date ranges, time spans, periods, and time-of-day.
82 timespan - For interacting with intervals of time, defined as a start time and a duration.
77 go-str2duration - Convert string to duration. Support time.Duration returned string and more.
74 go-sunrise - Calculate the sunrise and sunset times for a given location.
43 feiertage - Set of functions to calculate public holidays in Germany, incl. specialization on the states of Germany (Bundesländer). Things like Easter, Pentecost, Thanksgiving...
25 kair - Date and Time - Golang Formatting Library.
18 cronrange - Parses Cron-style time range expressions, checks if the given time is within any ranges.
14 NullTime - Nullable time.Time.
12 strftime - C99-compatible strftime formatter.
12 tuesday - Ruby-compatible Strftime function.
10 go-anytime - Parse dates/times like "next dec 22nd at 3pm" and ranges like "from today until next thursday" without knowing the format in advance.
8 go-week - An efficient package to work with ISO8601 week dates.

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Distributed Systems

Packages that help with building Distributed Systems.

25324 go-kit - Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
25231 go-zero - A web and rpc framework. It's born to ensure the stability of the busy sites with resilient design. Builtin goctl greatly improves the development productivity.
21213 Kratos - A modular-designed and easy-to-use microservices framework in Go.
20752 go-micro - A distributed systems development framework.
18644 grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC.
13402 NATS - Lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
11852 micro - A distributed systems runtime for the cloud and beyond.
7699 rpcx - Distributed pluggable RPC service framework like alibaba Dubbo.
7340 raft - Golang implementation of the Raft consensus protocol, by HashiCorp.
6153 Kitex - A high-performance and strong-extensibility Golang RPC framework that helps developers build microservices. If the performance and extensibility are the main concerns when you develop microservices, Kitex can be a good choice.
5687 lura - Ultra performant API Gateway framework with middlewares.
4895 torrent - BitTorrent client package.
4705 dragonboat - A feature complete and high performance multi-group Raft library in Go.
3614 emitter-io - High performance, distributed, secure and low latency publish-subscribe platform built with MQTT, Websockets and love.
3230 gleam - Fast and scalable distributed map/reduce system written in pure Go and Luajit, combining Go's high concurrency with Luajit's high performance, runs standalone or distributed.
3150 glow - Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
2476 liftbridge - Lightweight, fault-tolerant message streams for NATS.
1544 Dragonfly - Provide efficient, stable and secure file distribution and image acceleration based on p2p technology to be the best practice and standard solution in cloud native architectures.
1240 hprose - Very newbility RPC Library, support 25+ languages now.
1210 go-doudou - A gossip protocol and OpenAPI 3.0 spec based decentralized microservice framework. Built-in go-doudou cli focusing on low-code and rapid dev can power up your productivity.
1096 redis-lock - Simplified distributed locking implementation using Redis.
862 rain - BitTorrent client and library.
792 arpc - More effective network communication, support two-way-calling, notify, broadcast.
790 ringpop-go - Scalable, fault-tolerant application-layer sharding for Go applications.
711 go-health - Library for enabling asynchronous dependency health checks in your service.
680 gorpc - Simple, fast and scalable RPC library for high load.
613 consistent - Consistent hashing with bounded loads.
511 go-sundheit - A library built to provide support for defining async service health checks for golang services.
481 digota - grpc ecommerce microservice.
368 go-jump - Port of Google's "Jump" Consistent Hash function.
367 sleuth - Library for master-less p2p auto-discovery and RPC between HTTP services (using 8697 ZeroMQ).
354 Temporal - Durable execution system for making code fault-tolerant and simple.
312 raft - Go implementation of the Raft consensus protocol, by CoreOS.
281 jsonrpc - JSON-RPC 2.0 HTTP client implementation.
269 dht - BitTorrent Kademlia DHT implementation.
180 jsonrpc - The jsonrpc package helps implement of JSON-RPC 2.0.
138 outboxer - Outboxer is a go library that implements the outbox pattern.
90 doublejump - A revamped Google's jump consistent hash.
85 Semaphore - A straightforward (micro) service orchestrator.
80 dot - distributed sync using operational transformation/OT.
71 celeriac - Library for adding support for interacting and monitoring Celery workers, tasks and events in Go.
55 go-mysql-lock - MySQL based distributed lock.
52 flowgraph - flow-based programming package.
47 go-pdu - A decentralized identity-based social network.
45 drmaa - Job submission library for cluster schedulers based on the DRMAA standard.
22 gmsec - A Go distributed systems development framework.
20 consistenthash - Consistent hashing with configurable replicas.
15 dynatomic - A library for using DynamoDB as an atomic counter.
10 failured - adaptive accrual failure detector for distributed systems.
pjrpc - Golang JSON-RPC Server-Client with Protobuf spec.
resgate - Realtime API Gateway for building REST, real time, and RPC APIs, where all clients are synchronized seamlessly.
dynamolock - DynamoDB-backed distributed locking implementation.
pglock - PostgreSQL-backed distributed locking implementation.

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Dynamic DNS

Tools for updating dynamic DNS records.

1334 GoDNS - A dynamic DNS client tool, supports DNSPod & HE.net, written in Go.
238 DDNS - Personal DDNS client with Digital Ocean Networking DNS as backend.
dyndns - Background Go process to regularly and automatically check your IP Address and make updates to (one or many) Dynamic DNS records for Google domains whenever your address changes.

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Email

Libraries and tools that implement email creation and sending.

12436 MailHog - Email and SMTP testing with web and API interface.
2837 Mailpit - Email and SMTP testing tool for developers.
2656 hermes - Golang package that generates clean, responsive HTML e-mails.
2401 email - A robust and flexible email library for Go.
1826 go-imap - IMAP library for clients and servers.
928 email-verifier - A Go library for email verification without sending any emails.
920 SendGrid - SendGrid's Go library for sending email.
655 mailgun-go - Go library for sending mail with the Mailgun API.
511 go-simple-mail - Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send.
323 go-message - Streaming library for the Internet Message Format and mail messages.
316 go-mail - A simple Go library for sending mails in Go.
229 douceur - CSS inliner for your HTML emails.
220 Hectane - Lightweight SMTP client providing an HTTP API.
139 mailchain - Send encrypted emails to blockchain addresses written in Go.
113 go-premailer - Inline styling for HTML mail in Go.
90 go-dkim - DKIM library, to sign & verify email.
85 smtpmock - Lightweight configurable multithreaded fake SMTP server. Mimic any SMTP behaviour for your test environment.
75 smtp - SMTP server protocol state machine.
59 go-email-normalizer - Golang library for providing a canonical representation of email address.
53 truemail-go - Configurable Golang email validator/verifier. Verify email via Regex, DNS, SMTP and even more.
51 go-email-validator - Modular email validator for syntax, disposable, smtp, etc... checking.
7 mailx - Mailx is a library that makes it easier to send email via SMTP. It is an enhancement of the golang standard library net/smtp.
chasquid - SMTP server written in Go.

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Embeddable Scripting Languages

Embedding other languages inside your go code.

5598 gopher-lua - Lua 5.1 VM and compiler written in Go.
4167 expr - Expression evaluation engine for Go: fast, non-Turing complete, dynamic typing, static typing.
4151 goja - ECMAScript 5.1(+) implementation in Go.
3260 tengo - Bytecode compiled script language for Go.
2754 go-lua - Port of the Lua 5.2 VM to pure Go.
2024 starlark-go - Go implementation of Starlark: Python-like language with deterministic evaluation and hermetic execution.
1739 cel-go - Fast, portable, non-Turing complete expression evaluation with gradual typing.
1513 go-python - naive go bindings to the CPython C-API.
1358 anko - Scriptable interpreter written in Go.
1345 metacall - Cross-platform Polyglot Runtime which supports NodeJS, JavaScript, TypeScript, Python, Ruby, C#, WebAssembly, Java, Cobol and more.
898 go-php - PHP bindings for Go.
779 go-duktape - Duktape JavaScript engine bindings for Go.
647 gval - A highly customizable expression language written in Go.
619 golua - Go bindings for Lua C API.
503 prolog - Embeddable Prolog.
502 gisp - Simple LISP in Go.
113 gentee - Embeddable scripting programming language.
67 binder - Go to Lua binding library, based on 5598 gopher-lua.
38 purl - Perl 5.18.2 embedded in Go.
34 ecal - A simple embeddable scripting language which supports concurrent event processing.
25 ngaro - Embeddable Ngaro VM implementation enabling scripting in Retro.

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Error Handling

Libraries for handling errors.

8068 errors - Package that provides simple error handling primitives.
2010 go-multierror - Go (golang) package for representing a list of errors as a single error.
1745 errors - Go error library with error portability over the network.
1326 eris - A better way to handle, trace, and log errors in Go. Compatible with the standard error library and github.com/pkg/errors.
1001 errorx - A feature rich error package with stack traces, composition of errors and more.
815 tracerr - Golang errors with stack trace and source fragments.
452 errlog - Hackable package that determines responsible source code for an error (and some other fast-debugging features). Pluggable to any logger in-place.
312 emperror - Error handling tools and best practices for Go libraries and applications.
181 errors - Drop-in replacement for the standard library errors package and github.com/pkg/errors. Provides various error handling primitives.
134 Fault - An ergonomic mechanism for wrapping errors in order to facilitate structured metadata and context for error values.
76 oops - Error handling with context, stack trace and source fragments.
52 errors - Drop-in replacement for builtin Go errors. This is a minimal error handling package with custom error types, user friendly messages, Unwrap & Is. With very easy to use and straightforward helper functions.
24 exception - A simple utility package for exception handling with try-catch in Golang.
9 Falcon - A Simple Yet Highly Powerful Package For Error Handling.
8 errors - The most simple error wrapper with awesome performance and minimal memory overhead.
5 errors - Simple golang error handling with classification primitives.

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File Handling

Libraries for handling files and file systems.

5296 afero - FileSystem Abstraction System for Go.
5216 pdfcpu - PDF processor.
2707 gdu - Disk usage analyzer with console interface.
837 notify - File system event notification library with simple API, similar to os/signal.
586 copy - Copy directory recursively.
314 gofs - A cross-platform real-time file synchronization tool out of the box.
259 afs - Abstract File Storage (mem, scp, zip, tar, cloud: s3, gs) for Go.
250 vfs - A pluggable, extensible, and opinionated set of filesystem functionality for Go across a number of filesystem types such as os, S3, and GCS.
241 bigfile - A file transfer system, support to manage files with http api, rpc call and ftp client.
182 go-exiftool - Go bindings for ExifTool, the well-known library used to extract as much metadata as possible (EXIF, IPTC, ...) from files (pictures, PDF, office, ...).
108 go-csv-tag - Load csv file using tag.
92 skywalker - Package to allow one to concurrently go through a filesystem with ease.
90 checksum - Compute message digest, like MD5, SHA256, SHA1, CRC or BLAKE2s, for large files.
85 parquet - Read and write parquet files.
74 opc - Load Open Packaging Conventions (OPC) files for Go.
56 tarfs - Implementation of the FileSystem interface for tar files.
50 baraka - A library to process http file uploads easily.
37 go-gtfs - Load gtfs files in go.
34 flop - File operations library which aims to mirror feature parity with GNU cp.
26 gut/yos - Simple and reliable package for file operations like copy/move/diff/list on files, directories and symbolic links.
19 todotxt - Go library for Gina Trapani's todo.txt files, supports parsing and manipulating of task lists in the 1962 todo.txt format.
19 go-decent-copy - Copy files for humans.
17 higgs - A tiny cross-platform Go library to hide/unhide files and directories.
12 pathtype - Treat paths as their own type instead of using strings.
stl - Modules to read and write STL (stereolithography) files. Concurrent algorithm for reading.

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Financial

Packages for accounting and finance.

5285 decimal - Arbitrary-precision fixed-point decimal numbers.
4634 ticker - Terminal stock watcher and stock position tracker.
1348 go-money - Implementation of Fowler's Money pattern.
937 bbgo - A crypto trading bot framework written in Go. Including common crypto exchange API, standard indicators, back-testing and many built-in strategies.
823 accounting - money and currency formatting for golang.
738 techan - Technical analysis library with advanced market analysis and trading strategies.
415 currency - Handles currency amounts, provides currency information and formatting.
385 ach - A reader, writer, and validator for Automated Clearing House (ACH) files.
348 orderbook - Matching Engine for Limit Order Book in Golang.
151 go-finance - Library of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
123 transaction - Embedded transactional database of accounts, running in multithreaded mode.
122 sleet - One unified interface for multiple Payment Service Providers (PsP) to process online payment.
117 ofxgo - Query OFX servers and/or parse the responses (with example command-line client).
101 vat - VAT number validation & EU VAT rates.
79 go-finnhub - Client for stock market, forex and crypto data from finnhub.io. Access real-time financial market data from 60+ stock exchanges, 10 forex brokers, and 15+ crypto exchanges.
52 currency - High performant & accurate currency computation package.
24 fpdecimal - Fast and precise serialization and arithmetic for small fixed-point decimals
23 payme - QR code generator (ASCII & PNG) for SEPA payments.
19 fpmoney - Fast and simple ISO4217 fixed-point decimal money.
13 go-finance - Module to fetch exchange rates, check VAT numbers via VIES and check IBAN bank account numbers.

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Forms

Libraries for working with forms.

1433 nosurf - CSRF protection middleware for Go.
907 gorilla/csrf - CSRF protection for Go web applications & services.
794 binding - Binds form and JSON data from net/http Request to struct.
618 form - Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
310 conform - Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
192 httpin - Decode an HTTP request into a custom struct, including querystring, forms, HTTP headers, etc.
181 formam - decode form's values into a struct.
133 forms - Framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files.
67 qs - Go module for encoding structs into URL query parameters.
28 bind - Bind form data to any Go values.
17 queryparam - Decode url.Values into usable struct values of standard or custom types.
8 gbind - Bind data to any Go value. Can use built-in and custom expression binding capabilities; supports data validation

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Functional

Packages to support functional programming in Go.

1728 mo - Monads and popular FP abstractions, based on Go 1.18+ Generics (Option, Result, Either...).
1291 go-underscore - Useful collection of helpfully functional Go collection utilities.
326 fpGo - Monad, Functional Programming features for Golang.
246 fp-go - Collection of Functional Programming helpers powered by Golang 1.18+ generics.
184 go-functional - Functional programming in Go using generics
141 fuego - Functional Experiment in Go.
140 gofp - A lodash like powerful utility library for Golang.
90 underscore - Functional programming helpers for Go 1.18 and beyond.
14 valor - Generic option and result types that optionally contain a value.

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Game Development

Awesome game development libraries.

8602 Ebitengine - dead simple 2D game engine in Go.
4949 Leaf - Lightweight game server framework.
4282 Pixel - Hand-crafted 2D game library in Go.
2444 nano - Lightweight, facility, high performance golang based game server framework.
2410 g3n - Go 3D Game Engine.
2386 goworld - Scalable game server engine, featuring space-entity framework and hot-swapping.
2016 go-sdl2 - Go bindings for the Simple DirectMedia Layer.
1916 Pitaya - Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
1633 engo - Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
1434 Oak - Pure Go game engine.
1362 termloop - Terminal-based game engine for Go, built on top of Termbox.
1232 gonet - Game server skeleton implemented with golang.
1042 raylib-go - Go bindings for raylib, a simple and easy-to-use library to learn videogames programming.
588 Azul3D - 3D game engine written in Go.
559 go-astar - Go implementation of the A* path finding algorithm.
357 Harfang3D - 3D engine for the Go language, works on Windows and Linux ( 34 Harfang on Go.dev).
286 go3d - Performance oriented 2D/3D math package for Go.
110 tile - Data-oriented and cache-friendly 2D Grid library (TileMap), includes pathfinding, observers and import/export.
81 prototype - Cross-platform (Windows/Linux/Mac) library for creating desktop games using a minimal API.
20 fantasyname - Fantasy names generator.

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Generators

Tools that generate Go code.

3345 go-linq - .NET LINQ-like query methods for Go.
2975 jennifer - Generate arbitrary Go code without templates.
1124 goderive - Derives functions from input types.
786 GoWrap - Generate decorators for Go interfaces using simple templates.
532 go-enum - Code generation for enums from code comments.
397 interfaces - Command line tool for generating interface definitions.
298 goverter - Generate converters by defining an interface.
273 copygen - Generate type-to-type and type-based code without reflection.
54 gotype - Golang source code parsing, usage like reflect package.
41 generis - Code generation tool providing generics, free-form macros, conditional compilation and HTML templating.
21 typeregistry - A library to create type dynamically.
7 convergen - Feature rich type-to-type copy code generator.

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Geographic

Geographic tools and servers

8641 Tile38 - Geolocation DB with spatial index and realtime geofencing.
1560 S2 geometry - S2 geometry library in Go.
516 mbtileserver - A simple Go-based server for map tiles stored in mbtiles format.
290 osm - Library for reading, writing and working with OpenStreetMap data and APIs.
234 H3 - Go bindings for H3, a hierarchical hexagonal geospatial indexing system.
101 godal - Go wrapper for GDAL.
99 WGS84 - Library for Coordinate Conversion and Transformation (ETRS89, OSGB36, NAD83, RGF93, Web Mercator, UTM).
91 simplefeatures - simplesfeatures is a 2D geometry library that provides Go types that model geometries, as well as algorithms that operate on them.
84 geoserver - geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.
50 gismanager - Publish Your GIS Data(Vector Data) to PostGIS and Geoserver.
45 pbf - OpenStreetMap PBF golang encoder/decoder.
25 S2 geojson - Convert geojson to s2 cells & demonstrating some S2 geometry features on map.
3 H3 GeoJSON - Conversion utilities between H3 indexes and GeoJSON.
3 Web-Mercator-Projection A project to easily use and convert LonLat, Point and Tile to display info, markers, etc, in a map using the Web Mercator Projection.
1 H3GeoDist - Distribution of Uber H3geo cells by virtual nodes.

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Go Compilers

Tools for compiling Go to other languages.

12071 gopherjs - Compiler from Go to JavaScript.
427 tardisgo - Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler.
337 c4go - Transpile C code to Go code.
269 c2go - Convert C code to Go code.
70 esp32 - Transpile Go into Arduino code.
37 f4go - Transpile FORTRAN 77 code to Go code.

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Goroutines

Tools for managing and working with Goroutines.

10865 ants - A high-performance and low-cost goroutine pool in Go.
7161 conc - conc is your toolbelt for structured concurrency in go, making common tasks easier and safer.
3661 tunny - Goroutine pool for golang.
2747 goworker - goworker is a Go-based background worker.
1120 workerpool - Goroutine pool that limits the concurrency of task execution, not the number of tasks queued.
959 pond - Minimalistic and High-performance goroutine worker pool written in Go.
733 grpool - Lightweight Goroutine pool.
720 pool - Limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
472 gowp - gowp is concurrency limiting goroutine pool.
262 go-floc - Orchestrate goroutines with ease.
214 go-flow - Control goroutines execution order.
178 artifex - Simple in-memory job queue for Golang using worker-based dispatching.
162 flowmatic - Structured concurrency made easy.
161 go-workers - Easily and safely run workers for large data processing pipelines.
160 semaphore - Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations).
149 neilotoole/errgroup - Drop-in alternative to sync/errgroup, limited to a pool of N worker goroutines.
147 routine - routine is a ThreadLocal for go library. It encapsulates and provides some easy-to-use, non-competitive, high-performance goroutine context access interfaces, which can help you access coroutine context information more gracefully.
136 async - An alternative sync library for Go (Future, Promise, Locks).
130 cyclicbarrier - CyclicBarrier for golang.
125 async - A safe way to execute functions asynchronously, recovering them in case of panic.
110 gollback - asynchronous simple function utilities, for managing execution of closures and callbacks.
96 semaphore - Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
95 threadpool - Golang threadpool implementation.
94 Hunch - Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive.
87 worker-pool - goworker is a Go simple async worker pool.
86 gpool - manages a resizeable pool of context-aware goroutines to bound concurrency.
68 go-actor - A tiny library for writing concurrent programs using actor model.
66 goccm - Go Concurrency Manager package limits the number of goroutines that allowed to run concurrently.
63 nursery - Structured concurrency in Go.
59 gowl - Gowl is a process management and process monitoring tool at once. An infinite worker pool gives you the ability to control the pool and processes and monitor their status.
57 routine - go routine control with context, support: Main, Go, Pool and some useful Executors.
44 gohive - A highly performant and easy to use Goroutine pool for Go.
42 go-waitgroup - Like sync.WaitGroup with error handling and concurrency control.
42 kyoo - Provides an unlimited job queue and concurrent worker pools.
35 parallel-fn - Run functions in parallel.
33 go-trylock - TryLock support on read-write lock for Golang.
27 channelify - Transform your function to return channels for easy and powerful parallel processing.
27 stl - Software transactional locks based on Software Transactional Memory (STM) concurrency control mechanism.
16 execpool - A pool built around exec.Cmd that spins up a given number of processes in advance and attaches stdin and stdout to them when needed. Very similar to FastCGI or Apache Prefork MPM but works for any command.
15 breaker - Flexible mechanism to make execution flow interruptible.
15 concurrency-limiter - Concurrency limiter with support for timeouts , dynamic priority and context cancellation of goroutines.
14 queue - Gives you a sync.WaitGroup like queue group accessibility. Helps you to throttle and limit goroutines, wait for the end of the all goroutines and much more.
13 conexec - A concurrent toolkit to help execute funcs concurrently in an efficient and safe way. It supports specifying the overall timeout to avoid blocking and uses goroutine pool to improve efficiency.
12 go-tools/multithreading - Manage a pool of goroutines using this lightweight library with a simple API.
10 hands - A process controller used to control the execution and return strategies of multiple goroutines.
7 go-workerpool - Inspired from Java Thread Pool, Go WorkerPool aims to control heavy Go Routines.
6 async-job - AsyncJob is an asynchronous queue job manager with light code, clear and speed.
oversight - Oversight is a complete implementation of the Erlang supervision trees.

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GUI

Libraries for building GUI Applications.

Toolkits

21110 fyne - Cross platform native GUIs designed for Go based on Material Design. Supports: Linux, macOS, Windows, BSD, iOS and Android.
11403 webview - Cross-platform webview window with simple two-way JavaScript bindings (Windows / macOS / Linux).
9930 qt - Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi).
8294 ui - Platform-native GUI library for Go. Cross platform.
7200 app - Package to create apps with GO, HTML and CSS. Supports: MacOS, Windows in progress.
6517 walk - Windows application library kit for Go.
4799 go-astilectron - Build cross platform GUI apps with GO and HTML/JS/CSS (powered by Electron).
2533 go-sciter - Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. Cross platform.
1940 gotk3 - Go bindings for GTK3.
403 gowd - Rapid and simple desktop UI development with GO, HTML, CSS and NW.js. Cross platform.
4 goradd/html5tag - Library for outputting HTML5 tags.
Wails - Mac, Windows, Linux desktop apps with HTML UI using built-in OS HTML renderer.
go-gtk - Go bindings for GTK.
gio - Gio is a library for writing cross-platform immediate mode GUI-s in Go. Gio supports all the major platforms: Linux, macOS, Windows, Android, iOS, FreeBSD, OpenBSD and WebAssembly.

Interaction

8588 robotgo - Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
2868 systray - Cross platform Go library to place an icon and menu in the notification area.
578 gosx-notifier - OSX Desktop Notifications library for Go.
531 zenity - Cross-platform Go library and CLI to create simple dialogs that interact graphically with the user.
241 trayhost - Cross-platform Go library to place an icon in the host operating system's taskbar.
29 mac-sleep-notifier - OSX Sleep/Wake notifications in golang.
25 mac-activity-tracker - OSX library to notify about any (pluggable) activity on your machine.
3 AppIndicator Go - Go bindings for libappindicator3 C library.

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Hardware

Libraries, tools, and tutorials for interacting with hardware.

3983 arduino-cli - Official Arduino CLI and library. Can run standalone, or be incorporated into larger Go projects.
2044 go-rpio - GPIO for Go, doesn't require cgo.
1461 ghw - Golang hardware discovery/inspection library.
1029 emgo - Go-like language for programming embedded systems (e.g. STM32 MCU).
443 sysinfo - A pure Go library providing Linux OS / kernel / hardware system information.
271 goroslib - Robot Operating System (ROS) library for Go.
175 go-osc - Open Sound Control (OSC) bindings for Go.
45 joystick - a polled API to read the state of an attached joystick.

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Images

Libraries for manipulating images.

5676 gocv - Go package for computer vision using OpenCV 3.3+.
5062 imaginary - Fast and simple HTTP microservice for image resizing.
4804 imaging - Simple Go image processing package.
4006 gg - 2D rendering in pure Go.
3819 bild - Collection of image processing algorithms in pure Go.
3195 ln - 3D line art rendering in Go.
2958 resize - Image resizing for Go with common interpolation methods.
2342 bimg - Small package for fast and efficient image processing using libvips.
2308 gowitness - Screenshoting webpages using go and headless chrome on command line.
2056 pt - Path tracing engine written in Go.
2034 svgo - Go Language Library for SVG generation.
1873 picfit - An image resizing server written in Go.
1749 smartcrop - Finds good crops for arbitrary images and crop sizes.
1667 gift - Package of image processing filters.
1603 imagick - Go binding to ImageMagick's MagickWand C API.
1303 canvas - Vector graphics to PDF, SVG or rasterized image.
1244 geopattern - Create beautiful generative image patterns from a string.
1118 stegify - Go tool for LSB steganography, capable of hiding any file within an image.
956 govips - A lightning fast image processing and resizing library for Go.
789 image2ascii - Convert image to ASCII.
633 goimagehash - Go Perceptual image hashing package.
570 draft - Generate High Level Microservice Architecture diagrams for GraphViz using simple YAML syntax.
569 govatar - Library and CMD tool for generating funny avatars.
482 mort - Storage and image processing server written in Go.
378 go-nude - Nudity detection with Go.
251 steganography - Pure Go Library for LSB steganography.
215 darkroom - An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency.
210 rez - Image resizing in pure Go and SIMD.
206 mergi - Tool & Go library for image manipulation (Merge, Crop, Resize, Watermark, Animate).
205 gltf - Efficient and robust glTF 2.0 reader, writer and validator.
150 img - Selection of image manipulation tools.
147 go-webp - Library for encode and decode webp pictures, using libwebp.
135 go-cairo - Go binding for the cairo graphics library.
103 cameron - An avatar generator for Go.
64 gridder - A Grid based 2D Graphics library.
63 color-extractor - Dominant color extractor with no external dependencies.
62 webp-server - Simple and minimal image server capable of storing, resizing, converting and caching images.
59 go-gd - Go binding for GD library.
41 goimghdr - The imghdr module determines the type of image contained in a file for Go.
33 tga - Package tga is a TARGA image format decoder/encoder.
27 go-webcolors - Port of webcolors library from Python to Go.
11 mpo - Decoder and conversion tool for MPO 3D Photos.
10 scout - Scout is a standalone open source software solution for DIY video security.

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IoT (Internet of Things)

Libraries for programming devices of the IoT.

8383 gobot - Gobot is a framework for robotics, physical computing, and the Internet of Things.
2298 flogo - Project Flogo is an Open Source Framework for IoT Edge Apps & Integration.
2127 mainflux - Industrial IoT Messaging and Device Management Server.
1114 ekuiper - Lightweight data stream processing engine for IoT edge.
1078 gatt - Gatt is a Go package for building Bluetooth Low Energy peripherals.
371 connectordb - Open-Source Platform for Quantified Self & IoT.
260 devices - Suite of libraries for IoT devices, experimental for x/exp/io.
236 huego - An extensive Philips Hue client library for Go.
222 sensorbee - Lightweight stream processing engine for IoT.
63 iot - IoT is a simple framework for implementing a Google IoT Core device.
60 eywa - Project Eywa is essentially a connection manager that keeps track of connected devices.
periph - Peripherals I/O to interface with low-level board facilities.

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Job Scheduler

Libraries for scheduling jobs.

3817 gocron - Easy and fluent Go job scheduling. This is an actively maintained fork of 3266 jasonlvhit/gocron.
1392 go-quartz - Simple, zero-dependency scheduling library for Go.
985 gron - Define time-based tasks using a simple Go API and Gron’s scheduler will run them accordingly.
974 JobRunner - Smart and featureful cron job scheduler with job queuing and live monitoring built in.
856 Dagu - No-code workflow executor. it executes DAGs defined in a simple YAML format.
495 jobs - Persistent and flexible background jobs library.
431 scheduler - Cronjobs scheduling made easy.
292 gronx - Cron expression parser, task runner and daemon consuming crontab like task list.
219 go-cron - Simple Cron library for go that can execute closures or functions at varying intervals, from once a second to once a year on a specific date and time. Primarily for web applications and long running daemons.
171 tasks - An easy to use in-process scheduler for recurring tasks in Go.
156 goflow - A simple but powerful DAG scheduler and dashboard.
139 clockwerk - Go package to schedule periodic jobs using a simple, fluent syntax.
98 leprechaun - Job scheduler that supports webhooks, crons and classic scheduling.
90 cheek - A simple crontab like scheduler that aims to offer a KISS approach to job scheduling.
40 cdule - Job scheduler library with database support
26 sched - A job scheduler with the ability to fast-forward time.
11 cronticker - A ticker implementation to support cron schedules.

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JSON

Libraries for working with JSON.

12692 GJSON - Get a JSON value with one line of code.
2620 gojson - Automatically generate Go (golang) struct definitions from example JSON.
1970 fastjson - Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection.
628 OjG - Optimized JSON for Go is a high performance parser with a variety of additional JSON tools including JSONPath.
315 marshmallow - Performant JSON unmarshaling for flexible use cases.
262 jsondiff - JSON diff library for Go based on RFC6902 (JSON Patch).
259 kazaam - API for arbitrary transformation of JSON documents.
188 gojq - JSON query in Golang.
181 ajson - Abstract JSON for golang with JSONPath support.
156 jettison - Fast and flexible JSON encoder for Go.
156 jsonvalue - A fast and convinient library for unstructured JSON data, replacing encoding/json.
120 json2go - Advanced JSON to Go struct conversion. Provides package that can parse multiple JSON documents and create struct to fit them all.
119 gjo - Small utility to create JSON objects.
109 jsongo - Fluent API to make it easier to create Json objects.
99 JayDiff - JSON diff utility written in Go.
68 ujson - Fast and minimal JSON parser and transformer that works on unstructured JSON.
64 jsonf - Console tool for highlighted formatting and struct query fetching JSON.
57 jscan - High performance zero-allocation JSON iterator.
51 go-respond - Go package for handling common HTTP JSON responses.
46 mp - Simple cli email parser. It currently takes stdin and outputs JSON.
34 vjson - Go package for validating JSON objects with declaring a JSON schema with fluent API.
33 jsoncolor - Drop-in replacement for encoding/json that outputs colorized JSON.
25 ask - Easy access to nested values in maps and slices. Works in combination with encoding/json and other packages that "Unmarshal" arbitrary data into Go data-types.
19 gojmapr - Get simple struct from complex json by json path.
15 mapslice-json - Go MapSlice for ordered marshal/ unmarshal of maps in JSON.
15 dynjson - Client-customizable JSON formats for dynamic APIs.
13 jsonapi-errors - Go bindings based on the JSON API errors reference.
13 go-jsonerror - Go-JsonError is meant to allow us to easily create json response errors that follow the JsonApi spec.
13 jsonhal - Simple Go package to make custom structs marshal into HAL compatible JSON responses.
12 epoch - Contains primitives for marshaling/unmarshaling Unix timestamp/epoch to/from build-in time.Time type in JSON.
11 jzon - JSON library with standard compatible API/behavior.
9 jsonic - Utilities to handle and query JSON without defining structs in a type safe manner.
9 ej - Write and read JSON from different sources succinctly.
4 omg.jsonparser - Simple JSON parser with validation by condition via golang struct fields tags.
3 htmljson - Rich rendering of JSON as HTML in Go.
1 jsonhandlers - JSON library to expose simple handlers that lets you easily read and write json from various sources.
JSON-to-Proto - Convert JSON to Protobuf online.
JSON-to-Go - Convert JSON to Go struct.

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Logging

Libraries for generating and working with log files.

23125 logrus - Structured logger for Go.
19384 zap - Fast, structured, leveled logging in Go.
8714 zerolog - Zero-allocation JSON logger.
5682 spew - Implements a deep pretty printer for Go data structures to aid in debugging.
4211 lumberjack - Simple rolling logger, implements io.WriteCloser.
3412 glog - Leveled execution logs for Go.
2584 tail - Go package striving to emulate the features of the BSD tail program.
1661 pp - Colored pretty printer for Go language.
1638 seelog - Logging functionality with flexible dispatching, filtering, and formatting.
1326 log - Structured logging package for Go.
1093 log15 - Simple, powerful logging for Go.
510 phuslu/log - High performance structured logging.
414 onelog - Onelog is a dead simple but very efficient JSON logger. It is the fastest JSON logger out there in all scenarios. Also, it is one of the logger with the lowest allocation.
355 logutils - Utilities for slightly better logging in Go (Golang) extending the standard logger.
350 logxi - 12-factor app logger that is fast and makes you happy.
314 sqldb-logger - A logger for Go SQL database driver without modify existing *sql.DB stdlib usage.
302 httpretty - Pretty-prints your regular HTTP requests on your terminal for debugging (similar to http.DumpRequest).
288 log - Simple, configurable and scalable Structured Logging for Go.
286 go-logger - Simple logger of Go Programs, with level handlers.
282 rollingwriter - RollingWriter is an auto-rotate io.Writer implementation with multi policies to provide log file rotation.
278 slog - Lightweight, configurable, extensible logger for Go.
266 tint - A slog.Handler that writes tinted logs.
197 logur - An opinionated logger interface and collection of logging best practices with adapters and integrations for well-known libraries ( 23125 logrus, 25324 go-kit log, 19384 zap, 8714 zerolog, etc).
187 glg - glg is simple and fast leveled logging library for Go.
158 logger - Minimalistic logging library for Go.
138 xlog - Structured logger for net/context aware HTTP handlers with flexible dispatching.
122 ozzo-log - High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
94 log-voyage - Full-featured logging saas written in golang.
92 slog-multi - Chain of slog.Handler (pipeline, fanout...).
56 go-cronowriter - Simple writer that rotate log files automatically based on current date and time, like cronolog.
47 stdlog - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
46 gone/log - Fast, extendable, full-featured, std-lib source compatible log library.
44 noodlog - Parametrized JSON logging library which lets you obfuscate sensitive data and marshal any kind of content. No more printed pointers instead of values, nor escape chars for the JSON strings.
42 go-log - Log4j implementation in Go.
41 logex - Golang log lib, supports tracking and level, wrap by standard log lib.
41 gologger - Simple easy to use log lib for go, logs in Colored Console, Simple Console, File or Elasticsearch.
37 journald - Go implementation of systemd Journal's native API for logging.
33 go-log - Log lib supports level and multi handlers.
33 mlog - Simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
32 distillog - distilled levelled logging (think of it as stdlib + log levels).
30 slog-formatter - Common formatters for slog and helpers to build your own.
28 logrusly - 23125 logrus plug-in to send errors to a Loggly.
26 log - Structured log interface for Go cleanly separates logging facade from its implementation.
24 zkits-logger - A powerful zero-dependency JSON logger.
19 gomol - Multiple-output, structured logging for Go with extensible logging outputs.
16 logmatic - Colorized logger for Golang with dynamic log level configuration.
15 glo - PHP Monolog inspired logging facility with identical severity levels.
15 xylog - Leveled and structured logging, dynamic fields, high performance, zone management, simple configuration, and readable syntax.
14 logrusiowriter - io.Writer implementation using 23125 logrus logger.
14 log - Simple leveled logging wrapper around standard log package.
14 go-log - Simple and configurable Logging in Go, with level, formatters and writers.
11 logo - Golang logger to different configurable writers.
11 logdump - Package for multi-level logging.
10 log - An O(1) logging system that allows you to connect one log to multiple writers (e.g. stdout, a file and a TCP connection).
10 kemba - A tiny debug logging tool inspired by 10795 debug, great for CLI tools and applications.
10 go-log - A logging library with stack traces, object dumping and optional timestamps.
8 xlog - Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.
6 zax - Integrate Context with Zap logger, which leads to more flexibility in Go logging.
5 structy/log - A simple to use log system, minimalist but with features for debugging and differentiation of messages.
3 slf4g - Simple Logging Facade for Golang: Simple structured logging; but powerful, extendable and customizable, with huge amount of learnings from decades of past logging frameworks.
2 log - A simple logging framework out of the box.
1 yell - Yet another minimalistic logging library.

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Machine Learning

Libraries for Machine Learning.

8994 GoLearn - General Machine Learning library for Go.
7537 gorse - An offline recommender system backend based on collaborative filtering written in Go.
5091 gorgonia - graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
2598 m2cgen - A CLI tool to transpile trained classic ML models into a native Go code with zero dependencies, written in Python with Go language support.
2287 tfgo - Easy to use Tensorflow bindings: simplifies the usage of the official Tensorflow Go bindings. Define computational graphs in Go, load and execute models trained in Python.
2199 gosseract - Go package for OCR (Optical Character Recognition), by using Tesseract C++ library.
1491 goml - On-line Machine Learning in Go.
848 eaopt - An evolutionary optimization library.
769 bayesian - Naive Bayesian Classification for Golang.
728 CloudForest - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
590 ocrserver - A simple OCR API server, seriously easy to be deployed by Docker and Heroku.
544 gobrain - Neural Networks written in go.
524 onnx-go - Go Interface to Open Neural Network Exchange (ONNX).
465 go-deep - A feature-rich neural network library in Go.
303 regommend - Recommendation & collaborative filtering engine.
239 Goptuna - Bayesian optimization framework for black-box functions written in Go. Everything will be optimized.
198 goga - Genetic algorithm library for Go.
195 go-galib - Genetic Algorithms library written in Go / golang.
194 goRecommend - Recommendation Algorithms library written in Go.
154 shield - Bayesian text classifier with flexible tokenizers and storage backends for Go.
114 go-fann - Go bindings for Fast Artificial Neural Networks(FANN) library.
100 go-featureprocessing - Fast and convenient feature processing for low latency machine learning in Go.
89 goscore - Go Scoring API for PMML.
79 gonet - Neural Network for Go.
77 fonet - A Deep Neural Network library written in Go.
73 libsvm - libsvm golang version derived work based on LIBSVM 3.14.
67 neat - Plug-and-play, parallel Go framework for NeuroEvolution of Augmenting Topologies (NEAT).
65 neural-go - Multilayer perceptron network implemented in Go, with training via backpropagation.
64 GoMind - A simplistic Neural Network Library in Go.
62 go-pr - Pattern recognition package in Go lang.
52 Varis - Golang Neural Network.
45 golinear - liblinear bindings for Go.
39 go-cluster - Go implementation of the k-modes and k-prototypes clustering algorithms.
35 godist - Various probability distributions, and associated methods.
33 randomforest - Easy to use Random Forest library for Go.
29 ddt - Dynamic decision tree, create trees defining customizable rules.
26 evoli - Genetic Algorithm and Particle Swarm Optimization library.
18 probab - Probability distribution functions. Bayesian inference. Written in pure Go.

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Messaging

Libraries that implement messaging systems.

10258 sarama - Go library for Apache Kafka.
7292 Centrifugo - Real-time messaging (Websockets or SockJS) server in Go.
7190 gorush - Push notification server using 2848 APNs2 and google 103 GCM.
6963 machinery - Asynchronous task queue/job queue based on distributed message passing.
6646 Asynq - A simple, reliable, and efficient distributed task queue for Go built on top of Redis.
6505 Benthos - A message streaming bridge between a range of protocols.
5988 Watermill - Working efficiently with message streams. Building event driven applications, enabling event sourcing, RPC over messages, sagas. Can use conventional pub/sub implementations like Kafka or RabbitMQ, but also HTTP or MySQL binlog.
5270 go-socket.io - socket.io library for golang, a realtime application framework.
4698 NATS Go Client - Lightweight and high performance publish-subscribe and distributed queueing messaging system - this is the Go library.
4079 Confluent Kafka Golang Client - confluent-kafka-go is Confluent's Golang client for Apache Kafka and the Confluent Platform.
3452 Mercure - Server and library to dispatch server-sent updates using the Mercure protocol (built on top of Server-Sent Events).
3251 melody - Minimalist framework for dealing with websocket sessions, includes broadcasting and automatic ping/pong handling.
2848 APNs2 - HTTP/2 Apple Push Notification provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps.
2451 go-nsq - the official Go package for NSQ.
2080 gopush-cluster - gopush-cluster is a go push server cluster.
1506 Uniqush-Push - Redis backed unified push service for server-side notifications to mobile devices.
1482 EventBus - The lightweight event bus with async compatibility.
1458 Beaver - A real time messaging server to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.
1113 Chanify - A push notification server send message to your iOS devices.
1075 zmq4 - Go interface to ZeroMQ version 4. Also available for 133 version 3 and 19 version 2.
969 amqp - Go RabbitMQ Client Library.
931 Gollum - A n:m multiplexer that gathers messages from different sources and broadcasts them to a set of destinations.
878 dbus - Native Go bindings for D-Bus.
635 golongpoll - HTTP longpoll server library that makes web pub-sub simple.
603 mangos - Pure go implementation of the Nanomsg ("Scalability Protocols") with transport interoperability.
473 emitter - Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
409 Glue - Robust Go and Javascript Socket Library (Alternative to Socket.io).
391 pubsub - Simple pubsub package for go.
349 Quamina - Fast pattern-matching for filtering messages and events.
308 Bus - Minimalist message bus implementation for internal communication.
254 messagebus - messagebus is a Go simple async message bus, perfect for using as event bus when doing event sourcing, CQRS, DDD.
243 rabtap - RabbitMQ swiss army knife cli app.
155 guble - Messaging server using push notifications (Google Firebase Cloud Messaging, Apple Push Notification services, SMS) as well as websockets, a REST API, featuring distributed operation and message-persistence.
132 hub - A Message/Event Hub for Go applications, using publish/subscribe pattern with support for alias like rabbitMQ exchanges.
114 redisqueue - redisqueue provides a producer and consumer of a queue that uses Redis streams.
113 oplog - Generic oplog/replication system for REST APIs.
97 rabbus - A tiny wrapper over amqp exchanges and queues.
87 go-mq - RabbitMQ client with declarative configuration.
87 Ratus - Ratus is a RESTful asynchronous task queue server.
79 drone-line - Sending Line notifications using a binary, docker or Drone CI.
77 nsq-event-bus - A tiny wrapper around NSQ topic and channel.
67 go-notify - Native implementation of the freedesktop notification spec.
65 RapidMQ - RapidMQ is a lightweight and reliable library for managing of the local messages queue.
65 Commander - A high-level event driven consumer/producer supporting various "dialects" such as Apache Kafka.
63 go-res - Package for building REST/real-time services where clients are synchronized seamlessly, using NATS and Resgate.
54 event - Implementation of the pattern observer.
51 hare - A user friendly library for sending messages and listening to TCP sockets.
26 ami - Go client to reliable queues based on Redis Cluster Streams.
22 go-vitotrol - Client library to Viessmann Vitotrol web service.
21 gosd - A library for scheduling when to dispatch a message to a channel.
20 rmqconn - RabbitMQ Reconnection. Wrapper over amqp.Connection and amqp.Dial. Allowing to do a reconnection when the connection is broken before forcing the call to the Close () method to be closed.
18 jazz - A simple RabbitMQ abstraction layer for queue administration and publishing and consuming of messages.
11 gaurun-client - Gaurun Client written in Go.
mob - mob is a generic-based, simple mediator / event aggregator library. It supports in-process requests / events processing.

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Microsoft Office

3927 unioffice - Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents.

Microsoft Excel

Libraries for working with Microsoft Excel.

15732 excelize - Golang library for reading and writing Microsoft Excel™ (XLSX) files.
5517 xlsx - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
176 go-excel - A simple and light reader to read a relate-db-like excel as a table.
165 xlsx - Fast and safe way to read/update your existing Microsoft Excel files in Go programs.
21 goxlsxwriter - Golang bindings for libxlsxwriter for writing XLSX (Microsoft Excel) files.
17 exl - Excel binding to struct written in Go.(Only supports Go1.18+)

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Miscellaneous

Dependency Injection

Libraries for working with dependency injection.

11128 google/wire - Automated Initialization in Go.
4273 fx - A dependency injection based application framework for Go (built on top of dig).
3334 dig - A reflection based dependency injection toolkit for Go.
1208 do - A dependency injection framework based on Generics.
482 GoLobby/Container - GoLobby Container is a lightweight yet powerful IoC dependency injection container for the Go programming language.
292 goioc/di - Spring-inspired Dependency Injection Container.
200 di - A dependency injection container for go programming language.
163 dingo - A dependency injection toolkit for Go, based on Guice.
51 alice - Additive dependency injection container for Golang.
38 wire - Strict Runtime Dependency Injection for Golang.
35 linker - A reflection based dependency injection and inversion of control library with components lifecycle support.
27 nject - A type safe, reflective framework for libraries, tests, http endpoints, and service startup.
19 gocontainer - Simple Dependency Injection Container.
8 kinit - Customizable dependency injection container with the global mode, cascade initialization and panic-safe finalization.
6 HnH/di - DI container library that is focused on clean API and flexibility.

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Project Layout

Unofficial set of patterns for structuring projects.

41260 golang-standards/project-layout - Set of common historical and emerging project layout patterns in the Go ecosystem. Note: despite the org-name they do not represent official golang standards, see 41260 this issue for more information. Nonetheless, some may find the layout useful.
2836 ardanlabs/service - A 2836 starter kit for building production grade scalable web service applications.
1641 modern-go-application - Go application boilerplate and example applying modern practices.
892 pagoda - Rapid, easy full-stack web development starter kit built in Go.
621 cookiecutter-golang - A Go application boilerplate template for quick starting projects following production best practices.
392 golang-templates/seed - Go application GitHub repository template.
370 go-starter - An opinionated production-ready RESTful JSON backend template, highly integrated with VSCode DevContainers.
246 go-todo-backend - Go Todo Backend example using modular project layout for product microservice.
142 scaffold - Scaffold generates a starter Go project layout. Lets you focus on business logic implemented.
125 go-sample - A sample layout for Go application projects with the real code.
48 gobase - A simple skeleton for golang application with basic setup for real golang application.
22 wangyoucao577/go-project-layout - Set of practices and discussions on how to structure Go project layout.
16 insidieux/inizio - Golang project layout generator with plugins.
13 go-module - Template for a typical module written on Go.

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Strings

Libraries for working with strings.

1244 xstrings - Collection of useful string functions ported from other languages.
736 sttr - cross-platform, cli app to perform various operations on string.
196 strutil - String utilities.
188 gobeam/Stringy - String manipulation library to convert string to camel case, snake case, kebab case / slugify etc.
48 caps - A case conversion library.
bexp - Go implementation of Brace Expansion mechanism to generate arbitrary strings.
go-formatter - Implements replacement fields surrounded by curly braces {} format strings.

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Uncategorized

These libraries were placed here because none of the other categories seemed to fit.

9365 gopsutil - Cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
4041 archiver - Library and command for making and extracting .zip and .tar.gz archives.
3982 gatus - Automated service health dashboard.
3242 gofakeit - Random data generator written in go.
1849 go-resiliency - Resiliency patterns for golang.
1836 base64Captcha - Base64captch supports digit, number, alphabet, arithmetic, audio and digit-alphabet captcha.
1429 gosms - Your own local SMS gateway in Go that can be used to send SMS.
1174 go-commons-pool - Generic object pool for Golang.
1084 llvm - Library for interacting with LLVM IR in pure Go.
882 shortid - Distributed generation of super short, unique, non-sequential, URL friendly IDs.
688 health - A simple and flexible health check library for Go.
686 shoutrrr - Notification library providing easy access to various messaging services like slack, mattermost, gotify and smtp among others.
659 stateless - A fluent library for creating state machines.
443 health - Easy to use, extensible health check library.
438 banner - Add beautiful banners into your Go applications.
425 xz - Pure golang package for reading and writing xz-compressed files.
393 gountries - Package that exposes country and subdivision data.
385 conv - Package conv provides fast and intuitive conversions across Go types.
308 lk - A simple licensing library for golang.
295 ffmt - Beautify data display for Humans.
256 healthcheck - An opinionated and concurrent health-check HTTP handler for RESTful services.
252 antch - A fast, powerful and extensible web crawling & scraping framework.
246 go-unarr - Decompression library for RAR, TAR, ZIP and 7z archives.
227 battery - Cross-platform, normalized battery information library.
221 bitio - Highly optimized bit-level Reader and Writer for Go.
166 stats - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
152 turtle - Emojis for Go.
139 gtree - Provide CLI, Package and Web for tree output and directories creation from Markdown or programmatically.
136 captcha - Package captcha provides an easy to use, unopinionated API for captcha generation.
106 gotoprom - Type-safe metrics builder wrapper library for the official Prometheus client.
104 indigo - Distributed unique ID generator of using Sonyflake and encoded by Base58.
103 gommit - Analyze git commit messages to ensure they follow defined patterns.
78 morse - Library to convert to and from morse code.
77 faker - Random fake data and struct generator for Go.
76 persian - Some utilities for Persian language in go.
63 pdfgen - HTTP service to generate PDF from Json requests.
56 xkg - X Keyboard Grabber.
45 datacounter - Go counters for readers/writer/http.ResponseWriter.
44 browscap_go - GoLang Library for Browser Capabilities Project.
43 url-shortener - A modern, powerful, and robust URL shortener microservice with mysql support.
41 sandid - Every grain of sand on earth has its own ID.
39 autoflags - Go package to automatically define command line flags from struct fields.
35 gosh - Provide Go Statistics Handler, Struct, Measure Method.
34 xdg - FreeDesktop.org (xdg) Specs implemented in Go.
26 metrics - Library for metrics instrumentation and Prometheus exposition.
21 shellwords - A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
17 numa - NUMA is a utility library, which is written in go. It help us to write some NUMA-AWARED code.
14 anagent - Minimalistic, pluggable Golang evloop/timer handler with dependency-injection.
14 avgRating - Calculate average score and rating based on Wilson Score Equation.
12 hostutils - A golang library for packing and unpacking FQDNs list.
10 go-commandbus - A slight and pluggable command-bus for Go.
9 faker - Fake data generator.
9 openapi - OpenAPI 3.x parser.
7 varint - A faster varying length integer encoder/decoder than the one provided in the standard library.
5 VarHandler - Generate boilerplate http input and output handling.
4 common - A library for server framework.
4 basexx - Convert to, from, and between digit strings in various number bases.
3 sitemap-format - A simple sitemap generator, with a little syntactic sugar.
go-openapi - Collection of packages to parse and utilize open-api schemas.

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Natural Language Processing

Libraries for working with human languages.

See also Text Processing and Text Analysis.

Language Detection

595 whatlanggo - Natural language detection package for Go. Supports 84 languages and 24 scripts (writing systems e.g. Latin, Cyrillic, etc).
157 getlang - Fast natural language detection package.
57 guesslanguage - Functions to determine the natural language of a unicode text.
23 detectlanguage - Language Detection API Go Client. Supports batch requests, short phrase or single word language detection.

Morphological Analyzers

1558 spaGO - Self-contained Machine Learning and Natural Language Processing library in Go.
743 kagome - JP morphological analyzer written in pure Go.
416 nlp - Go Natural Language Processing library supporting LSA (Latent Semantic Analysis).
382 nlp - Extract values from strings and fill your structs with nlp.
100 RAKE.go - Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE).
75 go-stem - Implementation of the porter stemming algorithm.
52 go2vec - Reader and utility functions for word2vec embeddings.
46 porter2 - Really fast Porter 2 stemmer.
36 snowball - Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
35 govader - Go implementation of 4029 VADER Sentiment Analysis.
29 paicehusk - Golang implementation of the Paice/Husk Stemming Algorithm.
20 golibstemmer - Go bindings for the snowball libstemmer library including porter 2.
13 libtextcat - Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
12 porter - This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
10 gosentiwordnet - Sentiment analyzer using sentiwordnet lexicon in Go.
5 govader-backend - Microservice implementation of 35 GoVader.
2 spelling-corrector - A spelling corrector for the Spanish language or create your own.

Slugifiers

992 slug - URL-friendly slugify with multiple languages support.
88 go-slugify - Make pretty slug with multiple languages support.
32 Slugify - Go slugify application that handles string.

Tokenizers

3008 prose - Library for text processing that supports tokenization, part-of-speech tagging, named-entity extraction, and more. English only.
2289 gse - Go efficient text segmentation; support english, chinese, japanese and other.
2202 gojieba - This is a Go implementation of 31100 jieba which a Chinese word splitting algorithm.
377 sentences - Sentence tokenizer: converts text into a list of sentences.
79 segment - Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
70 textcat - Go package for n-gram based text categorization, with support for utf-8 and raw text.
62 MMSEGO - This is a GO implementation of MMSEG which a Chinese word splitting algorithm.
51 stemmer - Stemmer packages for Go programming language. Includes English and German stemmers.
18 gotokenizer - A tokenizer based on the dictionary and Bigram language models for Golang. (Now only support chinese segmentation)
13 shamoji - The shamoji is word filtering package written in Go.

Translation

2493 go-i18n - Package and an accompanying tool to work with localized text.
1450 go-pinyin - CN Hanzi to Hanyu Pinyin converter.
391 gotext - GNU gettext utilities for Go.
54 go-localize - Simple and easy to use i18n (Internationalization and localization) engine - used for translating locale strings.
39 iuliia-go - Transliterate Cyrillic → Latin in every possible way.
30 go-mystem - CGo bindings to Yandex.Mystem - russian morphology analyzer.
24 spreak - Flexible translation and humanization library for Go, based on the concepts behind gettext.
21 icu - Cgo binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1.
15 t - Another i18n pkg for golang, which follows GNU gettext style and supports .po/.mo files: t.T (gettext), t.N (ngettext), etc. And it contains a cmd tool 15 xtemplate, which can extract messages as a pot file from text/html template.

Transliteration

109 go-unidecode - ASCII transliterations of Unicode text.
79 gounidecode - Unicode transliterator (also known as unidecode) for Go.
36 transliterator - Provides one-way string transliteration with supporting of language-specific transliteration rules.
15 enca - Minimal cgo bindings for libenca, which detects character encodings.

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Networking

Libraries for working with various layers of the network.

20000 fasthttp - Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http.
13436 kcptun - Extremely simple & fast udp tunnel based on KCP protocol.
11569 webrtc - A pure Go implementation of the WebRTC API.
8563 quic-go - An implementation of the QUIC protocol in pure Go.
7953 gnet - gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.
7157 dns - Go library for working with DNS.
5773 gopacket - Go library for packet processing with libpcap bindings.
3915 HTTPLab - HTTPLabs let you inspect HTTP requests and forge responses.
3716 kcp-go - KCP - Fast and Reliable ARQ Protocol.
3655 netpoll - A high-performance non-blocking I/O networking framework, which focused on RPC scenarios, developed by ByteDance.
3285 gobgp - BGP implemented in the Go Programming Language.
3115 ssh - Higher-level API for building SSH servers (wraps crypto/ssh).
2992 fortio - Load testing library and command line tool, advanced echo server and web UI. Allows to specify a set query-per-second load and record latency histograms and other useful stats and graph them. Tcp, Http, gRPC.
1723 water - Simple TUN/TAP library.
1706 nbio - Pure Go 1000k+ connections solution, support tls/http1.x/websocket and basically compatible with net/http, with high-performance and low memory cost, non-blocking, event-driven, easy-to-use.
1660 gev - gev is a lightweight, fast non-blocking TCP network library based on Reactor mode.
1514 go-getter - Go library for downloading files or directories from various sources using a URL.
1379 sftp - Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
1312 NFF-Go - Framework for rapid development of performant network functions for cloud and bare-metal (former YANFF).
1288 grab - Go package for managing file downloads.
1152 ftp - Package ftp implements a FTP client as described in RFC 959.
1008 mdns - Simple mDNS (Multicast DNS) client/server library in Golang.
982 gosnmp - Native Go library for performing SNMP actions.
910 vssh - Go library for building network and server automation over SSH protocol.
900 gmqtt - Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.1.1.
854 cidranger - Fast IP to CIDR lookup for Go.
723 easytcp - A light-weight TCP framework written in Go (Golang), built with message router. EasyTCP helps you build a TCP server easily fast and less painful.
691 lhttp - Powerful websocket framework, build your IM server more easily.
601 peerdiscovery - Pure Go library for cross-platform local peer discovery using UDP multicast.
595 go-stun - Go implementation of the STUN client (RFC 3489 and RFC 5389).
511 gaio - High performance async-io networking for Golang in proactor mode.
509 gotcp - Go package for quickly writing tcp applications.
486 stun - Go implementation of RFC 5389 STUN protocol.
473 gopcap - Go wrapper for libpcap.
425 tcp_server - Go library for building tcp servers faster.
420 raw - Package raw enables reading and writing data at the device driver level for a network interface.
409 gws - High-Performance WebSocket Server & Client With AsyncIO Supporting .
406 winrm - Go WinRM client to remotely execute commands on Windows machines.
372 ftpserverlib - Fully featured FTP server library.
329 arp - Package arp implements the ARP protocol, as described in RFC 826.
274 dnsmonster - Passive DNS Capture/Monitoring Framework.
269 ethernet - Package ethernet implements marshaling and unmarshaling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
253 buffstreams - Streaming protocolbuffer data over TCP made easy.
243 gNxI - A collection of tools for Network Management that use the gNMI and gNOI protocols.
194 jazigo - Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
170 utp - Go uTP micro transport protocol implementation.
152 canopus - CoAP Client/Server implementation (RFC 7252).
152 event - Simple I/O event notification library wirtten in Golang.
145 sslb - It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
144 xtcp - TCP Server Framework with simultaneous full duplex communication, graceful shutdown, and custom protocol.
118 iplib - Library for working with IP addresses (net.IP, net.IPNet), inspired by python ipaddress and ruby ipaddr
97 gldap - gldap provides an ldap server implementation and you provide handlers for its ldap operations.
79 ether - Cross-platform Go package for sending and receiving ethernet frames.
77 dhcp6 - Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
74 packet - Send packets over TCP and UDP. It can buffer messages and hot-swap connections if needed.
72 go-powerdns - PowerDNS API bindings for Golang.
60 fullproxy - A fully featured scriptable and daemon configurable proxy and pivoting toolkit with SOCKS5, HTTP, raw ports and reverse proxy protocols.
53 portproxy - Simple TCP proxy which adds CORS support to API's which don't support it.
52 linkio - Network link speed simulation for Reader/Writer interfaces.
38 panoptes-stream - A cloud native distributed streaming network telemetry (gNMI, Juniper JTI and Cisco MDT).
29 golibwireshark - Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
28 graval - Experimental FTP server framework.
26 publicip - Package publicip returns your public facing IPv4 address (internet egress).
21 httpproxy - HTTP proxy handler and dialer.
16 goshark - Package goshark use tshark to decode IP packet and create data struct to analyse packet.
14 tspool - A TCP Library use worker pool to improve performance and protect your server.
14 llb - It's a very simple but quick backend for proxy servers. Can be useful for fast redirection to predefined domain with zero memory allocation and fast response.
10 gnet - gnet is a high-performance networking framework,especially for game servers.
2 go-sse - Go client and server implementation of HTML server-sent events.
mqttPaho - The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.

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HTTP Clients

Libraries for making HTTP requests.

8204 resty - Simple HTTP and REST client for Go inspired by Ruby rest-client.
3529 req - Simple Go HTTP client with Black Magic (Less code and More efficiency).
2470 heimdall - An enhanced http client with retry and hystrix capabilities.
1983 grequests - A Go "clone" of the great and famous Requests library.
1642 go-retryablehttp - Retryable HTTP client in Go.
1593 sling - Sling is a Go HTTP client library for creating and sending API requests.
1120 requests - HTTP requests for Gophers. Uses context.Context and doesn't hide the underlying net/http.Client, making it compatible with standard Go APIs. Also includes testing tools.
1013 gentleman - Full-featured plugin-driven HTTP client library.
622 pester - Go HTTP client calls with retries, backoff, and concurrency.
310 go-cleanhttp - Get easily stdlib HTTP client, which does not share any state with other clients.
247 request - HTTP client for golang. If you have experience about axios or requests, you will love it. No 3rd dependency.
72 go-otelroundtripper - Go http.RoundTripper that emits open telemetry metrics for HTTP requests.
60 go-http-client - Make http calls simply and easily.
50 go-zoox/fetch - A Powerful, Lightweight, Easy Http Client, inspired by Web Fetch API.
49 rq - A nicer interface for golang stdlib HTTP client.
39 httpretry - Enriches the default go HTTP client with retry functionality.
20 go-req - Declarative golang HTTP client.

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OpenGL

Libraries for using OpenGL in Go.

1420 glfw - Go bindings for GLFW 3.
983 gl - Go bindings for OpenGL (generated via glow).
500 mathgl - Pure Go math package specialized for 3D math, with inspiration from GLM.
165 goxjs/gl - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
78 goxjs/glfw - Go cross-platform glfw library for creating an OpenGL context and receiving events.
7 go-glmatrix - Go port of glMatrix library.

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ORM

Libraries that implement Object-Relational Mapping or datamapping techniques.

33329 GORM - The fantastic ORM library for Golang, aims to be developer friendly.
13946 ent - An entity framework for Go. Simple, yet powerful ORM for modeling and querying data.
5962 SQLBoiler - ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
3676 gorp - Go Relational Persistence, ORM-ish library for Go.
3368 upper.io/db - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
2309 bun - SQL-first Golang ORM. Successor of go-pg.
2234 gormt - Mysql database to golang gorm struct.
1603 Prisma - Prisma Client Go, Typesafe database access for Go.
1420 reform - Better ORM for Go, based on non-empty interfaces and code generation.
1361 pop/soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
1071 go-sqlbuilder - A flexible and powerful SQL string builder library plus a zero-config ORM.
669 rel - Modern Database Access Layer for Golang - Testable, Extendable and Crafted Into a Clean and Elegant API.
301 Zoom - Blazing-fast datastore and querying engine built on Redis.
175 go-sql - A easy ORM for mysql.
159 grimoire - Grimoire is a database access layer and validation for golang. (Support: MySQL, PostgreSQL and SQLite3).
138 golobby/orm - Simple, fast, type-safe, generic orm for developer happiness.
111 go-store - Simple and fast Redis backed key-value store library for Go.
46 go-firestorm - A simple ORM for Google/Firebase Cloud Firestore.
22 cacheme - Schema based, typed Redis caching/memoize framework for Go.
13 marlow - Generated ORM from project structs for compile time safety assurances.
12 lore - Simple and lightweight pseudo-ORM/pseudo-struct-mapping environment for Go.
XORM - Simple and powerful ORM for Go. (Support: MySQL, MyMysql, PostgreSQL, Tidb, SQLite3, MsSql and Oracle).

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Package Management

Official tooling for dependency and package management

go modules - Modules are the unit of source code interchange and versioning. The go command has direct support for working with modules, including recording and resolving dependencies on other modules.

Official experimental tooling for package management

12950 dep - Go dependency tool.
vgo - Versioned Go.

Unofficial libraries for package and dependency management.

8179 glide - Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip.
5573 godep - dependency tool for go, godep helps build packages reproducibly by fixing their dependencies.
4947 govendor - Go Package Manager. Go vendor tool that works with the standard vendor file.
2473 gopm - Go Package Manager.
1389 gom - Go Manager - bundle for go.
1198 gpm - Barebones dependency manager for Go.
780 goop - Simple dependency manager for Go (golang), inspired by Bundler.
465 modgv - Converts 'go mod graph' output into Graphviz's DOT language.
235 nut - Vendor Go dependencies.
214 johnny-deps - Minimal dependency version using Git.
207 gup - Update binaries installed by "go install".
157 mvn-golang - plugin that provides way for auto-loading of Golang SDK, dependency management and start build environment in Maven project infrastructure.
122 VenGO - create and manage exportable isolated go virtual environments.
50 gop - Build and manage your Go applications out of GOPATH.

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Performance

18123 jaeger - A distributed tracing system.
4780 pixie - No instrumentation tracing for Golang applications via eBPF.
2924 statsviz - Live visualization of your Go application runtime statistics.
1890 profile - Simple profiling support package for Go.
95 go-instrument - Automatically add spans to all methods and functions.
79 tracer - Simple, lightweight tracing.

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Query Language

9358 graphql-go - Implementation of GraphQL for Go.
9111 gqlgen - go generate based graphql server library.
4514 graphql - GraphQL server with a focus on ease of use.
4484 dasel - Query and update data structures using selectors from the command line. Comparable to jq/yq but supports JSON, YAML, TOML and XML with zero runtime dependencies.
2087 gojsonq - A simple Go package to Query over JSON Data.
303 rql - Resource Query Language for REST API.
269 jsonql - JSON query expression library in Golang.
79 jsonslice - Jsonpath queries with advanced filters.
57 rqp - Query Parser for REST API. Filtering, validations, both AND, OR operations are supported directly in the query.
57 graphql - graphql parser + utilities.
55 goven - A drop-in query language for any database schema.
50 api-fu - Comprehensive GraphQL implementation.
34 straf - Easily Convert Golang structs to GraphQL objects.
18 jsonpath - A query library for retrieving part of JSON based on JSONPath syntax.
7 gws - Apollos' "GraphQL over Websocket" client and server implementation.
1 grapher - A GraphQL field builder utilizing Go generics with extra utilities and features.

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Resource Embedding

3638 statik - Embeds static files into a Go executable.
3410 packr - The simple and easy way to embed static files into Go binaries.
2369 go.rice - go.rice is a Go package that makes working with resources such as HTML, JS, CSS, images, and templates very easy.
977 vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.
636 esc - Embeds files into Go programs and provides http.FileSystem interfaces to them.
629 fileb0x - Simple tool to embed files in go with focus on "customization" and ease to use.
176 go-resources - Unfancy resources embedding with Go.
66 statics - Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks.
30 templify - Embed external template files into Go code to create single file binaries.
27 rebed - Recreate folder structures and files from Go 1.16's embed.FS type
25 debme - Create an embed.FS from an existing embed.FS subdirectory.
12 mule - Embed external resources like images, movies ... into Go source code to create single file binaries using go generate. Focused on simplicity.

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Science and Data Analysis

Libraries for scientific computing and data analyzing.

6772 gonum - Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more.
2799 stats - Statistics package with common functions missing from the Golang standard library.
2498 gonum/plot - gonum/plot provides an API for building and drawing plots in Go.
1763 gosl - Go scientific library for linear algebra, FFT, geometry, NURBS, numerical methods, probabilities, optimisation, differential equations, and more.
1313 streamtools - general purpose, graphical tool for dealing with streams of data.
1030 dataframe-go - Dataframes for machine-learning and statistics (similar to pandas).
827 go-dsp - Digital Signal Processing for Go.
753 chart - Simple Chart Plotting library for Go. Supports many graphs types.
721 goraph - Pure Go graph theory library(data structure, algorithm visualization).
710 orb - 2D geometry types with clipping, GeoJSON and Mapbox Vector Tile support.
654 graph - Library of basic graph algorithms.
412 ewma - Exponentially-weighted moving averages.
376 calendarheatmap - Calendar heatmap in plain Go inspired by Github contribution activity.
184 TextRank - TextRank implementation in Golang with extendable features (summarization, weighting, phrase extraction) and multithreading (goroutine) support.
172 gohistogram - Approximate histograms for data streams.
146 sparse - Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries.
104 go-estimate - State estimation and filtering algorithms in Go.
77 pagerank - Weighted PageRank algorithm implemented in Go.
68 jsonl-graph - Tool to manipulate JSONL graphs with graphviz support.
55 geom - 2D geometry for golang.
52 evaler - Simple floating point arithmetic expression evaluator.
38 decimal - Package decimal implements arbitrary-precision decimal floating-point arithmetic.
35 triangolatte - 2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.
33 goent - GO Implementation of Entropy Measures.
32 gograph - A golang generic graph library that provides mathematical graph-theory and algorithms.
26 piecewiselinear - Tiny linear interpolation library.
21 godesim - Extended/multivariable ODE solver framework for event-based simulations with simple API.
21 ode - Ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
20 PiHex - Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi.
19 GoStats - GoStats is an Open Source GoLang library for math statistics mostly used in Machine Learning domains, it covers most of the Statistical measures functions.
12 assocentity - Package assocentity returns the average distance from words to a given entity.
10 rootfinding - root-finding algorithms library for finding roots of quadratic functions.
10 go-gt - Graph theory algorithms written in "Go" language.
8 bradleyterry - Provides a Bradley-Terry Model for pairwise comparisons.

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Security

Libraries that are used to help make your application more secure.

13923 age - A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.
6400 lego - Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
4592 CertMagic - Mature, robust, and powerful ACME client integration for fully-managed TLS certificate issuance and renewal.
3463 Cameradar - Tool and library to remotely hack RTSP streams from surveillance cameras.
2384 memguard - A pure Go library for handling sensitive values in memory.
2137 secure - HTTP middleware for Go that facilitates some quick security wins.
1995 acmetool - ACME (Let's Encrypt) client tool with automatic renewal.
1733 themis - high-level cryptographic library for solving typical data security tasks (secure data storage, secure messaging, zero-knowledge proof authentication), available for 14 languages, best fit for multi-platform apps.
1301 Coraza - Enterprise-ready, modsecurity and OWASP CRS compatible WAF library.
1205 acra - Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system.
737 dongle - A simple, semantic and developer-friendly golang package for encoding&decoding and encryption&decryption.
535 nacl - Go implementation of the NaCL set of API's.
420 go-password-validator - Password validator based on raw cryptographic entropy values.
392 ssh-vault - encrypt/decrypt using ssh keys.
378 booster - Fast initramfs generator with full-disk encryption support.
350 optimus-go - ID hashing and Obfuscation using Knuth's Algorithm.
330 firewalld-rest - A rest application to dynamically update firewalld rules on a linux server.
318 BadActor - In-memory, application-driven jailer built in the spirit of fail2ban.
312 go-yara - Go Bindings for 131 YARA, the "pattern matching swiss knife for malware researchers (and everyone else)".
286 passlib - Futureproof password hashing library.
189 simple-scrypt - Scrypt package with a simple, obvious API and automatic cost calibration built-in.
182 teler-waf - teler-waf is a Go HTTP middleware that provide teler IDS functionality to protect against web-based attacks and improve the security of Go-based web applications. It is highly configurable and easy to integrate into existing Go applications.
89 argon2pw - Argon2 password hash generation with constant-time password comparison.
55 goSecretBoxPassword - A probably paranoid package for securely hashing and encrypting passwords.
49 go-generate-password - Password generator that can be used on the cli or as a library.
37 certificates - An opinionated tool for generating tls certificates.
32 go-htpasswd - Apache htpasswd Parser for Go.
30 secureio - An keyexchanging+authenticating+encrypting wrapper and multiplexer for io.ReadWriteCloser based on XChaCha20-poly1305, ECDH and ED25519.
22 secret - Prevent your secrets from leaking into logs, std* etc.
19 argon2-hashing - light wrapper around Go's argon2 package that closely mirrors with Go's standard library Bcrypt and simple-scrypt package.
19 sslmgr - SSL certificates made easy with a high level wrapper around acme/autocert.
16 goArgonPass - Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
2 Interpol - Rule-based data generator for fuzzing and penetration testing.
autocert - Auto provision Let's Encrypt certificates and start a TLS server.

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Serialization

Libraries and tools for binary serialization.

12524 jsoniter - High-performance 100% compatible drop-in replacement of "encoding/json".
9207 goprotobuf - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
7044 mapstructure - Go library for decoding generic map values into native Go structures.
5581 gogoprotobuf - Protocol Buffers for Go with Gadgets.
1762 go-codec - High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support.
825 csvutil - High Performance, idiomatic CSV record encoding and decoding to native Go structures.
716 colfer - Code generation for the Colfer binary format.
594 cbor - Small, safe, and easy CBOR encoding and decoding library.
289 go-capnproto - Cap'n Proto library and parser for go.
159 php_session_decoder - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions.
140 structomap - Library to easily and dynamically generate maps from static structures.
75 binstruct - Golang binary decoder for mapping data into the structure.
67 bambam - generator for Cap'n Proto schemas from go.
53 asn1 - Asn.1 BER and DER encoding library for golang.
35 bel - Generate TypeScript interfaces from Go structs/interfaces. Useful for JSON RPC.
25 fwencoder - Fixed width file parser (encoding and decoding library) for Go.
24 elastic - Convert slices, maps or any other unknown value across different types at run-time, no matter what.
20 pletter - A standard way to wrap a proto message for message brokers.
8 fixedwidth - Fixed-width text formatting (UTF-8 supported).
6 unitpacking - Library to pack unit vectors into as fewest bytes as possible.
4 go-lctree - Provides a CLI and primitives to serialize and deserialize LeetCode binary trees.

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Server Applications

48679 Caddy - Caddy is an alternative, HTTP/2 web server that's easy to configure and use.
44252 etcd - Highly-available key value store for shared configuration and service discovery.
40442 minio - Minio is a distributed object storage server.
7328 RoadRunner - High-performance PHP application server, load-balancer and process manager.
6653 SFTPGo - Fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support. It can serve local filesystem and Cloud Storage backends such as S3 and Google Cloud Storage.
5526 Easegress - A cloud native high availability/performance traffic orchestration system with observability and extensibility.
3347 devd - Local webserver for developers.
2753 flipt - A self contained feature flag solution written in Go and Vue.js
2371 Fider - Fider is an open platform to collect and organize customer feedback.
2284 algernon - HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
2250 Wish - Make SSH apps, just like that!
2212 Flagr - Flagr is an open-source feature flagging and A/B testing service.
1901 Trickster - HTTP reverse proxy cache and time series accelerator.
1752 discovery - A registry for resilient mid-tier load balancing and failover.
1421 jackal - An XMPP server written in Go.
786 go-feature-flag - A feature flag solution, with only a YAML file in the backend (S3, GitHub, HTTP, local file ...), no server to install, just add a file in a central system and refer to it.
491 Euterpe - Self-hosted music streaming server with built-in web UI and REST API.
175 dummy - Run mock server based off an API contract with one command.
140 dudeldu - A simple SHOUTcast server.
98 go-proxy-cache - Simple Reverse Proxy with Caching, written in Go, using Redis.
80 lets-proxy2 - Reverse proxy for handle https with issue certificates in fly from lets-encrypt.
74 cortex-tenant - Prometheus remote write proxy that adds add Cortex tenant ID header based on metric labels.
52 psql-streamer - Stream database events from PostgreSQL to Kafka.
37 nginx-prometheus - Nginx log parser and exporter to Prometheus.
34 simple-jwt-provider - Simple and lightweight provider which exhibits JWTs, supports login, password-reset (via mail) and user management.
31 protoxy - A proxy server that converts JSON request bodies to Protocol Buffers.
10 Moxy - Moxy is a simple mocker and proxy application server, you can create mock endpoints as well as proxy requests in case no mock exists for the endpoint.
2 riemann-relay - Relay to load-balance Riemann events and/or convert them to Carbon.
nsq - A realtime distributed messaging platform.
consul - Consul is a tool for service discovery, monitoring and configuration.

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Stream Processing

Libraries and tools for stream processing and reactive programming.

1520 go-streams - Go stream processing library.
133 machine - Go library for writing and generating stream workers with built in metrics and traceability.
82 stream - Go Stream, like Java 8 Stream: Filter/Map/FlatMap/Peek/Sorted/ForEach/Reduce...
71 goio - An implementation of IO, Stream, Fiber for Golang, inspired by awesome Scala libraries cats and fs2.

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Template Engines

Libraries and tools for templating and lexing.

3695 sprig - Useful template functions for Go templates.
2832 quicktemplate - Fast, powerful, yet easy to use template engine. Converts templates into Go code and then compiles it.
2610 pongo2 - Django-like template-engine for Go.
1069 jet - Jet template engine.
1059 maroto - A maroto way to create PDFs. Maroto is inspired in Bootstrap and uses gofpdf. Fast and simple.
826 Razor - Razor view engine for Golang.
759 fasttemplate - Simple and fast template engine. Substitutes template placeholders up to 10x faster than text/template.
562 ego - Lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled.
548 raymond - Complete handlebars implementation in Go.
361 goview - Goview is a lightweight, minimalist and idiomatic template library based on golang html/template for building Go web application.
223 liquid - Go implementation of Shopify Liquid templates.
169 Soy - Closure templates (aka Soy templates) for Go, following the official spec.
53 extemplate - Tiny wrapper around html/template to allow for easy file-based template inheritance.
46 gospin - Article spinning and spintax/spinning syntax engine, useful for A/B, testing pieces of text/articles and creating more natural conversations.
25 tbd - A really simple way to create text templates with placeholders - exposes extra builtin Git repo metadata.
14 got - A Go code generator inspired by Hero and Fasttemplate. Has include files, custom tag definitions, injected Go code, language translation, and more.

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Testing

Libraries for testing codebases and generating test data.

Testing Frameworks
- 20394 Testify - Sacred extension to the standard go testing package.
- 7862 GoConvey - BDD-style framework with web UI and live reload.
- 3659 go-cmp - Package for comparing Go values in tests.
- 2377 testcontainers-go - A Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
- 2284 httpexpect - Concise, declarative, and easy to use end-to-end HTTP and REST API testing.
- 2027 godog - Cucumber BDD framework for Go.
- 1624 is - Professional lightweight testing mini-framework for Go.
- 1222 gnomock - integration testing with real dependencies (database, cache, even Kubernetes or AWS) running in Docker, without mocks.
- 1034 go-vcr - Record and replay your HTTP interactions for fast, deterministic and accurate tests.
- 970 testfixtures - A helper for Rails' like test fixtures to test database applications.
- 890 goblin - Mocha like testing framework fo Go.
- 762 baloo - Expressive and versatile end-to-end HTTP API testing made easy.
- 708 goc - Goc is a comprehensive coverage testing system for The Go Programming Language.
- 630 embedded-postgres - Run a real Postgres database locally on Linux, OSX or Windows as part of another Go application or test.
- 603 go-mutesting - Mutation testing for Go source code.
- 450 gotest.tools - A collection of packages to augment the go testing package and support common patterns.
- 437 gofight - API Handler Testing for Golang Router framework.
- 411 testza - Full-featured test framework with nice colorized output.
- 396 go-testdeep - Extremely flexible golang deep comparison, extends the go testing package.
- 275 frisby - REST API testing framework.
- 274 cupaloy - Simple snapshot testing addon for your test framework.
- 262 got - An enjoyable golang test framework.
- 244 endly - Declarative end to end functional testing.
- 239 go-carpet - Tool for viewing test coverage in terminal.
- 232 go-hit - Hit is an http integration test framework written in golang.
- 213 commander - Tool for testing cli applications on windows, linux and osx.
- 199 charlatan - Tool to generate fake interface implementations for tests.
- 156 dbcleaner - Clean database for testing purpose, inspired by database_cleaner in Ruby.
- 113 jsonassert - Package for verifying that your JSON payloads are serialized correctly.
- 113 GoSpec - BDD-style testing framework for the Go programming language.
- 112 testcase - Idiomatic testing framework for Behavior Driven Development.
- 100 wstest - Websocket client for unit-testing a websocket http.Handler.
- 94 gocrest - Composable hamcrest-like matchers for Go assertions.
- 83 go-snaps - Jest-like snapshot testing in Golang.
- 74 be - The minimalist generic test assertion library.
- 60 gherkingen - BDD boilerplate generator and framework.
- 59 assert - Basic Assertion Library used along side native go testing, with building blocks for custom assertions.
- 59 Gont - Go network testing toolkit for testing building complex network topologies using Linux namespaces.
- 57 covergates - Self-hosted code coverage report review and management service.
- 56 restit - Go micro framework to help writing RESTful API integration test.
- 53 gospecify - This provides a BDD syntax for testing your Go code. It should be familiar to anybody who has used libraries such as rspec.
- 45 gomatch - library created for testing JSON against patterns.
- 43 dsunit - Datastore testing for SQL, NoSQL, structured files.
- 34 fluentassert - Extensible, type-safe, fluent assertion Go library.
- 28 Hamcrest - fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
- 20 schema - Quick and easy expression matching for JSON schemas used in requests and responses.
- 19 fixenv - Fixture manage engine, inspired by pytest fixtures.
- 17 flute - HTTP client testing framework.
- 16 testsql - Generate test data from SQL files before testing and clear it after finished.
- 15 gogiven - YATSPEC-like BDD testing framework for Go.
- 12 biff - Bifurcation testing framework, BDD compatible.
- 12 gosuite - Brings lightweight test suites with setup/teardown facilities to testing by leveraging Go1.7's Subtests.
- 10 badio - Extensions to Go's testing/iotest package.
- 9 stop-and-go - Testing helper for concurrency.
- 6 trial - Quick and easy extendable assertions without introducing much boilerplate.
- 6 Tt - Simple and colorful test tools.
- 5 go-testpredicate - Test predicate style assertions library with extensive diagnostics output.
- 2 go-mysql-test-container - Golang MySQL testcontainer to help with MySQL integration testing.
- 1 omg.testingtools - The simple library for change a values of private fields for testing.
- gocheck - More advanced testing framework alternative to gotest.
- ginkgo - BDD Testing Framework for Go.
- apitest - Simple and extensible behavioural testing library for REST based services or HTTP handlers that supports mocking external http calls and rendering of sequence diagrams.
- gomega - Rspec like matcher/assertion library.
- testmd - Convert markdown snippets into testable go code.
Mock
- 9061 gomock - Mocking framework for the Go programming language.
- 5430 go-sqlmock - Mock SQL driver for testing database interactions.
- 4906 mockery - Tool to generate Go interfaces.
- 2233 hoverfly - HTTP(S) proxy for recording and simulating REST/SOAP APIs with extensible middleware and easy-to-use CLI.
- 1906 gock - Versatile HTTP mocking made easy.
- 1727 httpmock - Easy mocking of HTTP responses from external resources.
- 860 counterfeiter - Tool for generating self-contained mock objects.
- 562 go-txdb - Single transaction based database driver mainly for testing purposes.
- 509 minimock - Mock generator for Go interfaces.
- 154 govcr - HTTP mock for Golang: record and replay HTTP interactions for offline testing.
- 72 go-localstack - Tool for using localstack in AWS testing.
- 69 timex - A test-friendly replacement for the native time package.
- 22 mockhttp - Mock object for Go http.ResponseWriter.
- 17 mooncake - A simple way to generate mocks for multiple purposes
- 16 mockit - Allows functions and method easy mocking, without defining new types; it's similar to Mockito for Java.
- 1 monkey - One line to mock functions/methods/variables in place without dependency injection or code generation.
- genmock - Go mocking system with code generator for building calls of the interface methods.
Fuzzing and delta-debugging/reducing/shrinking.
- 4643 go-fuzz - Randomized testing system.
- 1446 gofuzz - Library for populating go objects with random values.
- 242 Tavor - Generic fuzzing and delta-debugging framework.
Selenium and browser control tools.
- 9431 chromedp - a way to drive/test Chrome, Safari, Edge, Android Webviews, and other browsers supporting the Chrome Debugging Protocol.
- 4064 rod - A Devtools driver to make web automation and scraping easy.
- 2399 selenoid - alternative Selenium hub server that launches browsers within containers.
- 1399 playwright-go - browser automation library to control Chromium, Firefox and WebKit with a single API.
- 681 cdp - Type-safe bindings for the Chrome Debugging Protocol that can be used with browsers or other debug targets that implement it.
- 302 ggr - a lightweight server that routes and proxies Selenium WebDriver requests to multiple Selenium hubs.
Fail injection
- 782 failpoint - An implementation of failpoints for Golang.

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Text Processing

Libraries for parsing and manipulating texts.

See also Natural Language Processing and Text Analysis.

Formatters

3714 go-humanize - Formatters for time, numbers, and memory size to human readable format.
501 bytes - Formats and parses numeric byte values (10K, 2M, 3G, etc.).
300 gotabulate - Easily pretty-print your tabular data with Go.
80 align - A general purpose application that aligns text.
75 go-fixedwidth - Fixed-width text formatting (encoder/decoder with reflection).
68 address - Handles address representation, validation and formatting.
4 textwrap - Wraps text at end of lines. Implementation of textwrap module from Python.

Markup Languages

5206 blackfriday - Markdown processor in Go.
4254 toml - TOML configuration format (encoder/decoder with reflection).
2850 goldmark - A Markdown parser written in Go. Easy to extend, standard (CommonMark) compliant, well structured.
1478 go-toml - Go library for the TOML format with query support and handy cli tools.
627 htmlquery - An XPath query package for HTML, lets you extract data or evaluate from HTML documents by an XPath expression.
587 html-to-markdown - Convert HTML to Markdown. Even works with entire websites and can be extended through rules.
571 mxj - Encode / decode XML as JSON or map[string]interface{}; extract values with dot-notation paths and wildcards. Replaces x2j and j2x packages.
243 goq - Declarative unmarshaling of HTML using struct tags with jQuery syntax (uses GoQuery).
78 bafi - Universal JSON, BSON, YAML, XML translator to ANY format using templates.
11 go-output-format - Output go structures into multiple formats (YAML/JSON/etc) in your command line app.
7 bbConvert - Converts bbCode to HTML that allows you to add support for custom bbCode tags.
2 htmlyaml - Rich rendering of YAML as HTML in Go
github_flavored_markdown - GitHub Flavored Markdown renderer (using blackfriday) with fenced code block highlighting, clickable header anchor links.

Parsers/Encoders/Decoders

6110 sh - Shell parser and formatter.
2238 gofeed - Parse RSS and Atom feeds in Go.
1286 when - Natural EN and RU language date/time parser with pluggable rules.
865 commonregex - A collection of common regular expressions for Go.
591 omniparser - A versatile ETL library that parses text input (CSV/txt/JSON/XML/EDI/X12/EDIFACT/etc) in streaming fashion and transforms data into JSON output using data-driven schema.
528 gographviz - Parses the Graphviz DOT language.
198 go-nmea - NMEA parser library for the Go language.
120 editorconfig-core-go - Editorconfig file parser and manipulator for Go.
112 sdp - SDP: Session Description Protocol [RFC 4566].
89 go-vcard - Parse and format vCard.
76 did - DID (Decentralized Identifiers) Parser and Stringer in Go.
58 allot - Placeholder and wildcard text parsing for CLI tools and bots.
48 tokenizer - Parse any string, slice or infinite buffer to any tokens.
43 parth - URL path segmentation parsing.
38 gonameparts - Parses human names into individual name parts.
36 normalize - Sanitize, normalize and compare fuzzy text.
32 xj2go - Convert xml or json to go struct.
22 codetree - Parses indented code (python, pixy, scarlet, etc.) and returns a tree structure.
18 go-fasttld - High performance effective top level domains (eTLD) extraction module.
9 parseargs-go - string argument parser that understands quotes and backslashes.
8 ltsv - High performance LTSV (Labeled Tab Separated Value) reader for Go.
8 doi - Document object identifier (doi) parser in Go.
8 encdec - Package provides a generic interface to encoders and decoders.

Regular Expressions

156 rex - Regular expressions builder.
133 regroup - Match regex expression named groups into go struct using struct tags and automatic parsing.
84 goregen - Library for generating random strings from regular expressions.
75 genex - Count and expand Regular Expressions into all matching Strings.
48 go-wildcard - Simple and lightweight wildcard pattern matching.

Sanitation

2772 bluemonday - HTML Sanitizer.
57 gofuckyourself - A sanitization-based swear filter for Go.

Scrapers

20519 colly - Fast and Elegant Scraping Framework for Gophers.
12862 GoQuery - GoQuery brings a syntax and a set of features similar to jQuery to the Go language.
1069 xurls - Extract urls from text.
606 dataflowkit - Web scraping Framework to turn websites into structured data.
197 gospider - A simple golang spider/scraping framework,build a spider in 3 lines. migrated from 211 goribot
87 pagser - Pagser is a simple, extensible, configurable parse and deserialize html page to struct based on goquery and struct tags for golang crawler.
33 Tagify - Produces a set of tags from given source.
23 go-recipe - A package for scraping recipes from websites.
5 walker - Seamlessly fetch paginated data from any source. Simple and high performance API scraping included.

RSS

126 podcast - iTunes Compliant and RSS 2.0 Podcast Generator in Golang
11 syndfeed - A syndication feed for Atom 1.0 and RSS 2.0.

Utility/Miscellaneous

540 go-runewidth - Functions to get fixed width of the character or string.
187 radix - Fast string sorting algorithm.
110 go-zero-width - Zero-width character detection and removal for Go.
44 petrovich - Petrovich is the library which inflects Russian names to given grammatical case.
20 kace - Common case conversions covering common initialisms.
17 TySug - Alternative suggestions with respect to keyboard layouts.

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Third-party APIs

Libraries for accessing third party APIs.

9600 github - Go library for accessing the GitHub REST API v3.
8390 aws-sdk-go - The official AWS SDK for the Go programming language.
6235 go-openai - OpenAI ChatGPT, DALL·E, Whisper API library for Go.
4390 slack - Slack API in Go.
4186 discordgo - Go bindings for the Discord Chat API.
3535 google - Auto-generated Google APIs for Go.
3350 google-cloud - Google Cloud APIs Go Client Library.
2025 minio-go - Minio Go Library for Amazon S3 compatible cloud storage.
1835 stripe - Go client for the Stripe API.
1586 go-twitter - Go client library for the Twitter v1.1 APIs.
1342 go-jira - Go client library for Atlassian JIRA
1180 facebook - Go Library that supports the Facebook Graph API.
1136 anaconda - Go client library for the Twitter 1.1 API.
1029 githubql - Go library for accessing the GitHub GraphQL API v4.
860 webhooks - Webhook receiver for GitHub and Bitbucket.
649 twitter-scraper - Scrape the Twitter Frontend API without authentication and limits.
592 paypal - Wrapper for PayPal payment API.
471 geo-golang - Go Library to access Google Maps, MapQuest, Nominatim, OpenCage, Bing, Mapbox, and OpenStreetMap geocoding / reverse geocoding APIs.
345 lark - Feishu/Lark Open API Go SDK, Support ALL Open API and Event Callback.
267 openaigo - OpenAI GPT3/GPT3.5 ChatGPT API client library for Go.
257 ethrpc - Go bindings for Ethereum JSON RPC API.
212 Trello - Go wrapper for the Trello API.
201 go-marathon - Go library for interacting with Mesosphere's Marathon PAAS.
161 go-lark - An easy-to-use unofficial SDK for Feishu and Lark Open Platform.
145 wit-go - Go client for wit.ai HTTP API.
138 Medium - Golang SDK for Medium's OAuth2 API.
135 go-trending - Go library for accessing trending repositories and developers at Github.
135 pushover - Go wrapper for the Pushover API.
130 gostorm - GoStorm is a Go library that implements the communications protocol required to write Storm spouts and Bolts in Go that communicate with the Storm shells.
115 gosip - Client library for SharePoint.
115 simples3 - Simple no frills AWS S3 Library using REST with V4 Signing written in Go.
110 hipchat (xmpp) - A golang package to communicate with HipChat over XMPP.
104 hipchat - This project implements a golang client library for the Hipchat API.
91 cachet - Go client library for Cachet (open source status page system).
84 go-atlassian - Go library for accessing the Atlassian Cloud services (Jira, Jira Service Management, Jira Agile, Confluence, Admin Cloud)
82 golang-tmdb - Golang wrapper for The Movie Database API v3.
77 igdb - Go client for the Internet Game Database API.
72 go-unsplash - Go client library for the Unsplash.com API.
71 gogtrends - Google Trends Unofficial API.
70 go-postman-collection - Go module to work with Postman Collections (compatible with Insomnia).
68 google-play-scraper - Get data from Google Play Store.
64 circleci - Go client library for interacting with CircleCI's API.
63 airtable - Go client library for the Airtable API.
60 mixpanel - Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications.
59 ynab - Go wrapper for the YNAB API.
57 amazon-product-advertising-api - Go Client Library for Amazon Product Advertising API.
56 uptimerobot - Go wrapper and command-line client for the Uptime Robot v2 API.
55 clarifai - Go client library for interfacing with the Clarifai API.
54 megos - Client library for accessing an Apache Mesos cluster.
51 go-xkcd - Go client for the xkcd API.
51 GoMusicBrainz - Go MusicBrainz WS2 client library.
50 fcm - Go library for Firebase Cloud Messaging.
50 gads - Google Adwords Unofficial API.
47 spotify - Go Library to access Spotify WEB API.
40 golyrics - Golyrics is a Go library to fetch music lyrics data from the Wikia website.
38 swag - No comments, simple go wrapper to create swagger 2.0 compatible APIs. Support most routing frameworks, such as built-in, gin, chi, mux, echo, httprouter, fasthttp and more.
36 patreon-go - Go library for Patreon API.
36 go-myanimelist - Go client library for accessing the MyAnimeList API.
33 translate - Go online translation package.
32 gami - Go library for Asterisk Manager Interface.
32 lastpass-go - Go client library for the LastPass API.
31 gcm - Go library for Google Cloud Messaging.
30 steam - Go Library to interact with Steam game servers.
27 GoFreeDB - Golang library providing common and simple database abstractions on top of Google Sheets.
25 go-imgur - Go client library for imgur
25 shopify - Go Library to make CRUD request to the Shopify API.
21 jokeapi-go - Go client for JokeAPI.
21 device-check-go - Go client library for interacting with iOS DeviceCheck API v1.
20 coinpaprika-go - Go client library for interacting with Coinpaprika's API.
19 codeship-go - Go client library for interacting with Codeship's API v2.
19 brewerydb - Go library for accessing the BreweryDB API.
19 textbelt - Go client for the textbelt.com txt messaging API.
18 go-aws-news - Go application and library to fetch what's new from AWS.
16 go-hacknews - Tiny Go client for HackerNews API.
15 gopaapi5 - Go Client Library for Amazon Product Advertising API 5.0.
15 google-analytics - Simple wrapper for easy google analytics reporting.
13 goami2 - AMI v2 library for Asterisk PBX.
13 go-openproject - Go client library for interacting with OpenProject API.
12 go-here - Go client library around the HERE location based APIs.
12 bqwriter - High Level Go Library to write data into Google BigQuery at a high throughout.
12 go-sophos - Go client library for the Sophos UTM REST API with zero dependencies.
11 smite - Go package to wraps access to the Smite game API.
11 gomalshare - Go library MalShare API malshare.com
11 go-swagger-ui - Go library containing precompiled Swagger UI for serving swagger json.
9 libgoffi - Library adapter toolbox for native libffi integration
9 tumblr - Go wrapper for the Tumblr v2 API.
9 rrdaclient - Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP.
9 goagi - Go library to build Asterisk PBX agi/fastagi applications.
8 rawg-sdk-go - Go library for the RAWG Video Games Database API
8 go-sptrans - Go client library for the SPTrans Olho Vivo API.
8 go-chronos - Go library for interacting with the Chronos Job Scheduler
8 google-email-audit-api - Go client library for Google G Suite Email Audit API.
7 zooz - Go client for the Zooz API.
7 go-hibp - Simple Go binding to the "Have I Been Pwned" APIs.
6 newsapi-go - Go client for NewsAPI.
3 go-restcountries - Go library for the REST Countries API.
3 appstore-sdk-go - Unofficial Golang SDK for AppStore Connect API.
3 dusupay-sdk-go - Unofficial Dusupay payment gateway API Client for Go
2 TripAdvisor - Go wrapper for the TripAdvisor API.
2 fasapay-sdk-go - Unofficial Fasapay payment gateway XML API Client for Golang.
2 vl-go - Go client library around the VerifID identity verification layer API.
2 playlyfe - The Playlyfe Rest API Go SDK.
go-telegraph - Telegraph publishing platform API client.
go-yapla - Go client library for the Yapla v2.0 API.

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Utilities

General utilities and tools to make your life easier.

53882 fzf - Command-line fuzzy finder written in Go.
37854 dive - A tool for exploring each layer in a Docker image.
22518 hub - wrap git commands with additional functionality to interact with github from the terminal.
14548 ctop - Top-like interface (e.g. htop) for container metrics.
14080 sqlx - provides a set of extensions on top of the excellent built-in database/sql package.
12884 lo - A Lodash like Go library based on Go 1.18+ Generics (map, filter, contains, find...)
11987 goreleaser - Deliver Go binaries as fast and easily as possible.
10357 wuzz - Interactive cli tool for HTTP inspection.
8193 usql - usql is a universal command-line interface for SQL databases.
7409 peco - Simplistic interactive filtering tool.
4351 go-funk - Modern Go utility library which provides helpers (map, find, contains, filter, chunk, reverse, ...).
4140 godropbox - Common libraries for writing Go services/applications from Dropbox.
4020 hystrix-go - Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker.
3435 panicparse - Groups similar goroutines and colorizes stack dump.
3401 minify - Fast minifiers for HTML, CSS, JS, XML, JSON and SVG file formats.
3082 goreporter - Golang tool that does static analysis, unit testing, code review and generate code quality report.
2837 lancet - A comprehensive, efficient, and reusable util function library of go.
2524 mc - Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems.
2158 create-go-app - A powerful CLI for create a new production-ready project with backend (Golang), frontend (JavaScript, TypeScript) & deploy automation (Ansible, Docker) by running one command.
2002 Storm - Simple and powerful toolkit for BoltDB.
1892 EaseProbe - A simple, standalone, and lightWeight tool that can do health/status checking daemon, support HTTP/TCP/SSH/Shell/Client/... probes, and Slack/Discord/Telegram/SMS... notification.
1889 filetype - Small package to infer the file type checking the magic numbers signature.
1836 retry-go - Simple library for retry mechanism.
1660 mole - cli app to easily create ssh tunnels.
1656 jump - Jump helps you navigate faster by learning your habits.
1637 boilr - Blazingly fast CLI tool for creating projects from boilerplate templates.
1511 gitbatch - manage your git repositories in one place.
1191 mimetype - Package for MIME type detection based on magic numbers.
1077 circuitbreaker - Circuit Breakers in Go.
981 scany - Library for scanning data from a database into Go structs and more.
948 git-time-metric - Simple, seamless, lightweight time tracking for Git.
921 hostctl - A CLI tool to manage /etc/hosts with easy commands.
766 immortal - *nix cross-platform (OS agnostic) supervisor.
711 circuit - An efficient and feature complete Hystrix like Go implementation of the circuit breaker pattern.
597 delve - Go debugger.
576 ergo - The management of multiple local services running over different ports made easy.
551 htcat - Parallel and Pipelined HTTP GET Utility.
521 koazee - Library inspired in Lazy evaluation and functional programming that takes the hassle out of working with arrays.
509 clockwork - A simple fake clock for golang.
495 changie - Automated changelog tool for preparing releases with lots of customization options.
491 godaemon - Utility to write daemons.
486 go-dry - DRY (don't repeat yourself) package for Go.
446 gopencils - Small and simple package to easily consume REST APIs.
446 gubrak - Golang utility library with syntactic sugar. It's like lodash, but for golang.
435 clipboard - 📋 cross-platform clipboard package in Go.
427 request - Go HTTP Requests for Humans™.
425 scan - Scan golang sql.Rows directly to structs, slices, or primitive types.
420 Deepcopier - Simple struct copying for Go.
409 remote-touchpad - Control mouse and keyboard from a smartphone.
389 go-rate - Timed rate limiter for Go.
378 mani - CLI tool to help you manage multiple repositories.
334 retry - The most advanced functional mechanism to perform actions repetitively until successful.
304 serve - A static http server anywhere you need.
281 grofer - A system and resource monitoring tool written in Golang!
278 util - Collection of useful utility functions. (strings, concurrency, manipulations, ...).
272 countries - Full implementation of ISO-3166-1, ISO-4217, ITU-T E.164, Unicode CLDR and IANA ccTLD standards.
267 gotenv - Load environment variables from .env or any io.Reader in Go.
255 gohper - Various tools/modules help for development.
237 wifiqr - Wi-Fi QR Code Generator.
235 go-trigger - Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project.
234 rospo - Simple and reliable ssh tunnels with embedded ssh server in Golang.
229 pattern-match - Pattern matching library.
205 go-sitemap-generator - XML Sitemap generator written in Go.
192 toolbox - Slice, map, multimap, struct, function, data conversion utilities. Service router, macro evaluator, tokenizer.
190 limiters - Rate limiters for distributed applications in Golang with configurable back-ends and distributed locks.
190 Death - Managing go application shutdown with signals.
183 go-bind-plugin - go:generate tool for wrapping symbols exported by golang plugins (1.8 only).
165 rerun - Recompiling and rerunning go apps when source changes.
165 moldova - Utility for generating random data based on an input template.
164 apm - Process manager for Golang applications with an HTTP API.
156 robustly - Runs functions resiliently, catching and restarting panics.
151 chyle - Changelog generator using a git repository with multiple configuration possibilities.
145 go-bsdiff - Pure Go bsdiff and bspatch libraries and CLI tools.
135 cmd - Library for executing shell commands on osx, windows and linux.
135 cryptgo - Crytpgo is a TUI based application written purely in Go to monitor and observe cryptocurrency prices in real time!
135 nostromo - CLI for building powerful aliases.
133 onecache - Caching library with support for multiple backend stores (Redis, Memcached, filesystem etc).
132 filter - provide filtering, sanitizing, and conversion of Go data.
126 goval - Evaluate arbitrary expressions in Go.
124 lrserver - LiveReload server for Go.
123 mongo-go-pagination - Mongodb Pagination for official mongodb/mongo-go-driver package which supports both normal queries and Aggregation pipelines.
123 sorty - Fast Concurrent / Parallel Sorting.
102 goseaweedfs - SeaweedFS client library with almost full features.
101 mssqlx - Database client library, proxy for any master slave, master master structures. Lightweight and auto balancing in mind.
99 xferspdy - Xferspdy provides binary diff and patch library in golang.
99 go-lock - go-lock is a lock library implementing read-write mutex and read-write trylock without starvation.
92 go-health - Health package simplifies the way you add health check to your services.
90 mimemagic - Pure Go ultra performant MIME sniffing library/utility.
82 pgo - Convenient functions for PHP community.
81 repeat - Go implementation of different backoff strategies useful for retrying operations and heartbeating.
78 pm - Process (i.e. goroutine) manager with an HTTP API.
77 countries - All you need when you are working with countries in Go.
74 handy - Many utilities and helpers like string handlers/formatters and validators.
72 netbug - Easy remote profiling of your services.
70 UNIS - Common Architecture™ for String Utilities in Go.
67 multitick - Multiplexor for aligned tickers.
66 goreadability - Webpage summary extractor using Facebook Open Graph and arc90's readability.
63 retry - Simple and easy retry mechanism package for Go.
60 go-astitodo - Parse TODOs in your GO code.
60 minquery - MongoDB / mgo.v2 query that supports efficient pagination (cursors to continue listing documents where we left off).
59 golog - Easy and lightweight CLI tool to time track your tasks.
57 dbt - A framework for running self-updating signed binaries from a central, trusted repository.
53 beyond - The Go tool that will drive you to the AOP world!
52 shutdown - App shutdown hooks for os.Signal handling.
52 scan - Scan sql rows into any type powered by generics.
51 slice - Type-safe functions for common Go slice operations.
50 golarm - Fire alarms with system events.
50 copy-pasta - Universal multi-workstation clipboard that uses S3 like backend for the storage.
48 retry-go - Retrying made simple and easy for golang.
48 goback - Go simple exponential backoff package.
46 intrinsic - Use x86 SIMD without writing any assembly code.
46 backscanner - A scanner similar to bufio.Scanner, but it reads and returns lines in reverse order, starting at a given position and going backward.
45 set - Performant and flexible struct mapping and loose type conversion.
44 sshman - SSH Manager for authorized_keys files on multiple remote servers.
43 slicer - Makes working with slices easier.
43 equalizer - Quota manager and rate limiter collection for Go.
43 go-httpheader - Go library for encoding structs into Header fields.
41 gostrutils - Collections of string manipulation and conversion functions.
40 gpath - Library to simplify access struct fields with Go's expression in reflection.
38 cvt - Easy and safe convert any value to another type.
37 pointer - Package pointer contains helper routines for simplifying the creation of optional fields of basic type.
37 evaluator - Evaluate an expression dynamically based on s-expression. It's simple and easy to extend.
35 ghokin - Parallelized formatter with no external dependencies for gherkin (cucumber, behat...).
35 myhttp - Simple API to make HTTP GET requests with timeout support.
35 rclient - Readable, flexible, simple-to-use client for REST APIs.
34 tome - Tome was designed to paginate simple RESTful APIs.
34 copy - Package for fast copying structs of different types.
33 throttle - Throttle is an object that will perform exactly one action per duration.
31 yogo - Check yopmail mails from command line.
29 generate - runs go generate recursively on a specified path or environment variable and can filter by regex.
28 mimesniffer - A MIME type sniffer for Go.
27 ugo - ugo is slice toolbox with concise syntax for Go.
26 goplaceholder - a small golang lib to generate placeholder images.
25 graterm - Provides primitives to perform ordered (sequential/concurrent) GRAceful TERMination (aka shutdown) in Go application.
25 gofn - High performance utitlity functions written using Generics for Go 1.18+.
25 watchhttp - Run command periodically and expose latest STDOUT or its rich delta as HTTP endpoint.
23 ctxutil - A collection of utility functions for contexts.
22 structs - Implement simple functions to manipulate structs.
21 ptr - Package that provide functions for simplified creation of pointers from constants of basic types.
20 go-convert - Package go-convert enables you to convert a value into another type.
19 jsend - JSend's implementation written in Go.
19 just - Just a collection of useful functions for working with generic data structures.
17 contextplus - Package contextplus provide more easy to use functions for contexts.
17 filler - small utility to fill structs using "fill" tag.
17 dlog - Compile-time controlled logger to make your release smaller without removing debug calls.
16 okrun - go run error steamroller.
16 go-problemdetails - Go package for working with Problem Details.
16 rest-go - A package that provide many helpful methods for working with rest api.
16 go-type - Library providing Go types for store/validation and transfer of ISO-4217, ISO-3166, and other types.
14 go-actuator - Production ready features for Go based web frameworks.
14 command - Command pattern for Go with thread safe serial and parallel dispatcher.
12 silk - Read silk netflow files.
12 go-clip - A minimalistic clipboard manager for Mac.
11 retry - A pretty simple library to ensure your work to be done.
10 go-countries - Lightweight lookup over ISO-3166 codes.
10 blank - Verify or remove blanks and whitespace from strings.
10 statiks - Fast, zero-configuration, static HTTP filer server.
9 bleep - Perform any number of actions on any set of OS signals in Go.
9 retry - A simple but highly configurable retry package for Go.
8 sliceconv - Slice conversion between primitive types.
8 nfdump - Read nfdump netflow files.
7 loncha - A high-performance slice Utilities.
6 reflectutils - Helpers for working with reflection: struct tag parsing; recursive walking; fill value from string.
6 go-pkg - A go toolkit.
6 lets-go - Go module that provides common utilities for Cloud Native REST API development. Also contains AWS Specific utilities.
5 olaf - Twitter Snowflake implemented in Go.
5 tik - Simple and easy timing wheel package for Go.
4 goctx - Get your context value with high performance.
3 mergo - Helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.
2 objwalker - Walk by go objects with reflection.
1 go-qr - A native, high-quality and minimalistic QR code generator.

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UUID

Libraries for working with UUIDs.

4509 uuid - Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.
3623 ulid - Go implementation of ULID (Universally Unique Lexicographically Sortable Identifier).
3471 xid - Xid is a globally unique id generator library, ready to be safely used directly in your server code.
1402 uuid - Implementation of Universally Unique Identifier (UUID). Supports both creation and parsing of UUIDs. Actively maintained fork of satori uuid.
500 wuid - An extremely fast globally unique number generator.
86 sno - Compact, sortable and fast unique IDs with embedded metadata.
58 nanoid - A tiny and efficient Go unique string ID generator.
38 goid - Generate and Parse RFC4122 compliant V4 UUIDs.
21 gouid - Generate cryptographically secure random string IDs with just one allocation.
16 uuid - Generate, encode, and decode UUIDs v1 with fast or cryptographic-quality random node identifier.
uniq - No hassle safe, fast unique identifiers with commands.

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Validation

Libraries for validation.

13772 validator - Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving.
5758 govalidator - Validators and sanitizers for strings, numerics, slices and structs.
3298 ozzo-validation - Supports validation of various data types (structs, strings, maps, slices, etc.) with configurable and extensible validation rules specified in usual code constructs instead of struct tags.
1233 govalidator - Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
923 validate - Go package for data validation and filtering. support validate Map, Struct, Request(Form, JSON, url.Values, Uploaded Files) data and more features.
101 checkdigit - Provide check digit algorithms (Luhn, Verhoeff, Damm) and calculators (ISBN, EAN, JAN, UPC, etc.).
87 validate - This package provides a framework for writing validations for Go applications.
86 jio - jio is a json schema validator similar to 20144 joi.
63 gody - 🎈 A lightweight struct validator for Go.
34 govalid - Fast, tag-based validation for structs.
14 valix Go package for validating requests
5 Validator - A lightweight model validator written in Go.Contains VFs:Min, Max, MinLength, MaxLength, Length, Enum, Regex.

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Version Control

Libraries for version control.

4864 go-git - highly extensible Git implementation in pure Go.
1913 hercules - gaining advanced insights from Git repository history.
1860 git2go - Go bindings for libgit2.
79 gh - Scriptable server and net/http middleware for GitHub Webhooks.
77 githooks - Per-repo and shared Git hooks with version control and auto update.
75 go-vcs - manipulate and inspect VCS repositories in Go.
39 froggit-go - Froggit-Go is a Go library, allowing to perform actions on VCS providers.
15 hgo - Hgo is a collection of Go packages providing read-access to local Mercurial repositories.
cli - An open-source GitLab command line tool bringing GitLab's cool features to your command line.

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Video

Libraries for manipulating video.

2012 goav - Comprehensive Go bindings for FFmpeg.
1064 m3u8 - Parser and generator library of M3U8 playlists for Apple HLS.
858 gmf - Go bindings for FFmpeg av* libraries.
498 go-astits - Parse and demux MPEG Transport Streams (.ts) natively in GO.
483 go-astisub - Manipulate subtitles in GO (.srt, .stl, .ttml, .webvtt, .ssa/.ass, teletext, .smi, etc.).
472 gortsplib - Pure Go RTSP server and client library.
363 libvlc-go - Go bindings for libvlc 2.X/3.X/4.X (used by the VLC media player).
167 gst - Go bindings for GStreamer.
76 v4l - Video capture library for Linux, written in Go.
24 libgosubs - Subtitle format support for go. Supports .srt, .ttml, and .ass.
19 go-m3u8 - Parser and generator library for Apple m3u8 playlists. Actively maintained version of quangngotan95/go-m3u8 with improvements and latest HLS playlist parsing compatibility.
17 go-mpd - Parser and generator library for MPEG-DASH manifest files.

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Web Frameworks

Full stack web frameworks.

70934 Gin - Gin is a web framework written in Go! It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity.
30091 Beego - beego is an open-source, high-performance web framework for the Go programming language.
27896 Fiber - An Express.js inspired web framework build on Fasthttp.
26344 Echo - High performance, minimalist Go web framework.
12958 Revel - High-productivity web framework for the Go language.
9870 GoFrame - GoFrame is a modular, full-featured and production-ready application development framework of golang.
5265 Goa - Goa provides a holistic approach for developing remote APIs and microservices in Go.
4074 Hertz - A high-performance and strong-extensibility Go HTTP framework that helps developers build microservices.
3730 Gizmo - Microservice toolkit used by the New York Times.
3515 go-json-rest - Quick and easy way to setup a RESTful JSON API.
3409 Macaron - Macaron is a high productive and modular design web framework in Go.
2220 utron - Lightweight MVC framework for Go(Golang).
1315 Goyave - Feature-complete REST API framework aimed at clean code and fast development, with powerful built-in functionalities.
1225 REST Layer - Framework to build REST/GraphQL API on top of databases with mostly configuration over code.
1103 Atreugo - High performance and extensible micro web framework with zero memory allocations in hot paths.
996 tigertonic - Go framework for building JSON web services inspired by Dropwizard.
834 tango - Micro & pluggable web framework for Go.
716 Gearbox - A web framework written in Go with a focus on high performance and memory optimization.
533 Aero - High-performance web framework for Go, reaches top scores in Lighthouse.
502 gongular - Fast Go web framework with input mapping/validation and (DI) Dependency Injection.
446 Flamingo Commerce - Providing e-commerce features using clean architecture like DDD and ports and adapters, that you can use to build flexible e-commerce applications.
431 Air - An ideally refined web framework for Go.
430 rk-boot - A bootstrapper library for building enterprise go microservice with Gin and gRPC quickly and easily.
418 neo - Neo is minimal and fast Go Web Framework with extremely simple API.
397 Flamingo - Framework for pluggable web projects. Including a concept for modules and offering features for DI, Configareas, i18n, template engines, graphql, observability, security, events, routing & reverse routing etc.
372 mango - Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
310 Gondola - The web framework for writing faster sites, faster.
291 uAdmin - Fully featured web framework for Golang, inspired by Django.
286 WebGo - A micro-framework to build web apps; with handler chaining, middleware and context injection. With standard library compliant HTTP handlers(i.e. http.HandlerFunc).
277 Ginrpc - Gin parameter automatic binding tool,gin rpc tools.
266 Golf - Golf is a fast, simple and lightweight micro-web framework for Go. It comes with powerful features and has no dependencies other than the Go Standard Library.
221 Huma - Framework for modern REST/GraphQL APIs with built-in OpenAPI 3, generated documentation, and a CLI.
179 hiboot - hiboot is a high performance web application framework with auto configuration and dependency injection support.
130 appy - An opinionated productive web framework that helps scaling business easier.
127 go-rest - Small and evil REST framework for Go.
124 patron - Patron is a microservice framework following best cloud practices with a focus on productivity.
112 Microservice - The framework for the creation of microservices, written in Golang.
93 rux - Simple and fast web framework for build golang HTTP applications.
80 vox - A golang web framework for humans, inspired by Koa heavily.
76 Golax - A non Sinatra fast HTTP framework with support for Google custom methods, deep interceptors, recursion and more.
65 YARF - Fast micro-framework designed to build REST APIs and web services in a fast and simple way.
59 Fireball - More "natural" feeling web framework.
49 goa - goa is just like koajs for golang, it is a flexible, light, high-performance and extensible web framework based on middleware.
43 GoTuna - Minimalistic web framework for Go with mux router, middlewares, sessions, templates, embedded views and static files.
36 Pulse - Pulse is an HTTP web framework written in Go (Golang)
35 goweb - Web framework with routing, websockets, logging, middleware, static file server (optional gzip), and automatic TLS.
33 rex - Rex is a library for modular development built upon gorilla/mux, fully compatible with net/http.
33 Resoursea - REST framework for quickly writing resource based services.
27 Don - A highly performant and simple to use API framework.
21 Banjo - Very simple and fast web framework for Go.
5 anoweb - The lightweight and powerful web framework using the new way for Go.Another go the way.
5 golamb - Golamb makes it easier to write API endpoints for use with AWS Lambda and API Gateway.
Confetti Framework - Confetti is a Go web application framework with an expressive, elegant syntax. Confetti combines the elegance of Laravel and the simplicity of Go.
Buffalo - Bringing the productivity of Rails to Go!
Pnutmux - Pnutmux is a powerful Go web framework that uses regex for matching and handling HTTP requests. It offers features such as CORS handling, structured logging, URL parameters extraction, middlewares, and concurrency limiting.
aah - Scalable, performant, rapid development Web framework for Go.

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Middlewares

Actual middlewares

2461 Tollbooth - Rate limit HTTP request handler.
2404 CORS - Easily add CORS capabilities to your API.
1818 Limiter - Dead simple rate limit middleware for Go.
850 go-server-timing - Add/parse Server-Timing header.
479 go-fault - Fault injection middleware for Go.
136 ln-paywall - Go middleware for monetizing APIs on a per-request basis with the Lightning Network (Bitcoin).
97 XFF - Handle X-Forwarded-For header and friends.
65 rk-grpc - Middleware for gRPC with logging, metrics, auth, tracing etc.
40 rk-gin - Middleware for Gin framework with logging, metrics, auth, tracing etc.
38 formjson - Transparently handle JSON input as a standard form POST.
24 client-timing - An HTTP client for Server-Timing header.
14 echo-middleware - Middleware for Echo framework with logging and metrics.
7 mid - Miscellaneous HTTP middleware features: idiomatic error return from handlers; receive/respond with JSON data; request tracing; and more.

Libraries for creating HTTP middlewares

7348 negroni - Idiomatic HTTP middleware for Golang.
2835 alice - Painless middleware chaining for Go.
1827 render - Go package for easily rendering JSON, XML, and HTML template responses.
593 stats - Go middleware that stores various information about your web application.
294 interpose - Minimalist net/http middleware for golang.
255 renderer - Simple, lightweight and faster response (JSON, JSONP, XML, YAML, HTML, File) rendering package for Go.
208 muxchain - Lightweight middleware for net/http.
102 rye - Tiny Go middleware library (with canned Middlewares) that supports JWT, CORS, Statsd, and Go 1.7 context.
100 gores - Go package that handles HTML, JSON, XML and etc. responses. Useful for RESTful APIs.
87 mediary - add interceptors to http.Client to allow dumping/shaping/tracing/... of requests/responses.
64 chain - Handler wrapper chaining with scoped data (net/context-based "middleware").
9 catena - http.Handler wrapper catenation (same API as "chain").

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Routers

19007 mux - Powerful URL router and dispatcher for golang.
15638 httprouter - High performance router. Use this and the standard http handlers to form a very high performance web framework.
15028 chi - Small, fast and expressive HTTP router built on net/context.
1500 gocraft/web - Mux and middleware package in Go.
1293 Bone - Lightning Fast HTTP Multiplexer.
944 Goji - Goji is a minimalistic and flexible HTTP request multiplexer with support for net/context.
875 fasthttprouter - High performance router forked from httprouter. The first router fit for fasthttp.
603 httptreemux - High-speed, flexible tree-based HTTP router for Go. Inspiration from httprouter.
531 xujiajun/gorouter - A simple and fast HTTP router for Go.
446 ozzo-routing - An extremely fast Go (golang) HTTP router that supports regular expression route matching. Comes with full support for building RESTful APIs.
390 lars - Is a lightweight, fast and extensible zero allocation HTTP router for Go used to create customizable frameworks.
351 Siesta - Composable framework to write middleware and handlers.
269 vestigo - Performant, stand-alone, HTTP compliant URL Router for go web applications.
166 gowww/router - Lightning fast HTTP router fully compatible with the net/http.Handler interface.
149 GoRouter - GoRouter is a Server/API micro framework, HTTP request router, multiplexer, mux that provides request router with middleware supporting net/context.
141 pure - Is a lightweight HTTP router that sticks to the std "net/http" implementation.
127 alien - Lightweight and fast http router from outer space.
106 violetear - Go HTTP router.
104 Bxog - Simple and fast HTTP router for Go. It works with routes of varying difficulty, length and nesting. And he knows how to create a URL from the received parameters.
97 xmux - High performance muxer based on httprouter with net/context support.
68 goblin - A golang http router based on trie tree.
60 ngamux - Simple HTTP router for Go.
54 bellt - A simple Go HTTP router.
22 FastRouter - a fast, flexible HTTP router written in Go.
21 GoLobby/Router - GoLobby Router is a lightweight yet powerful HTTP router for the Go programming language.
13 nchi - chi-like router built on httprouter with dependency injection based middleware wrappers
8 goroute - Simple yet powerful HTTP request multiplexer.

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WebAssembly

13323 tinygo - Go compiler for small places. Microcontrollers, WebAssembly, and command-line tools. Based on LLVM.
479 dom - DOM library.
213 go-canvas - Library to use HTML5 Canvas, with all drawing within go code.
149 wasmbrowsertest - Run Go WASM tests in your browser.
143 webapi - Bindings for DOM and HTML generated from WebIDL.
89 vert - Interop between Go and JS values.

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Windows

1012 go-ole - Win32 OLE implementation for golang.
146 d3d9 - Go bindings for Direct3D9.
10 gosddl - Converter from SDDL-string to user-friendly JSON. SDDL consist of four part: Owner, Primary Group, DACL, SACL.

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XML

Libraries and tools for manipulating XML.

684 zek - Generate a Go struct from XML.
594 xpath - XPath package for Go.
156 xquery - XQuery lets you extract data from HTML/XML documents using XPath expression.
53 xml2map - XML to MAP converter written Golang.
24 xmlwriter - Procedural XML generation API based on libxml2's xmlwriter module.
20 XML-Comp - Simple command line XML comparer that generates diffs of folders, files and tags.

Zero Trust

Libraries and tools to implement Zero Trust architectures.

3542 Cosign - Container Signing, Verification and Storage in an OCI registry.
1479 Spire - SPIRE (the SPIFFE Runtime Environment) is a toolchain of APIs for establishing trust between software systems across a wide variety of hosting platforms.
97 in-toto - Go implementation of the in-toto (provides a framework to protect the integrity of the software supply chain) python reference implementation.
61 Spiffe-Vault - Utilizes Spiffe JWT authentication with Hashicorp Vault for secretless authentication.

Code Analysis

Source code analysis tools, also known as Static Application Security Testing (SAST) Tools.

5515 staticcheck - staticcheck is go vet on steroids, applying a ton of static analysis checks you might be used to from tools like ReSharper for C#.
3973 GoLint - Golint is a linter for Go source code.
2113 errcheck - Errcheck is a program for checking for unchecked errors in Go programs.
1659 go-critic - source code linter that brings checks that are currently not implemented in other linters.
1499 GoPlantUML - Library and CLI that generates text plantump class diagram containing information about structures and interfaces with the relationship among them.
1086 gcvis - Visualise Go program GC trace data in real time.
928 php-parser - A Parser for PHP written in Go.
758 go-cleanarch - go-cleanarch was created to validate Clean Architecture rules, like a The Dependency Rule and interaction between packages in your Go projects.
724 goast-viewer - Web based Golang AST visualizer.
667 golines - Formatter that automatically shortens long lines in Go code.
640 go-mod-outdated - An easy way to find outdated dependencies of your Go projects.
404 Chronos - Detects race conditions statically
398 todocheck - Static code analyser which links TODO comments in code with issues in your issue tracker.
359 unconvert - Remove unnecessary type conversions from Go source.
317 dupl - Tool for code clone detection.
308 tickgit - CLI and go package for surfacing code comment TODOs (in any language) and applying a git blameto identify the author.
258 vaccum - An ultra-super-fast, lightweight OpenAPI linter and quality checking tool.
243 gostatus - Command line tool, shows the status of repositories that contain Go packages.
178 apicompat - Checks recent changes to a Go project for backwards incompatible changes.
128 go-checkstyle - checkstyle is a style check tool like java checkstyle. This tool inspired by java checkstyle, golint. The style referred to some points in Go Code Review Comments.
67 lint - Run linters as part of go test.
61 validate - Automatically validates struct fields with tags.
59 asty - Converts golang AST to JSON and JSON to AST.
45 go-outdated - Console application that displays outdated packages.
44 ChainJacking - Find which of your Go lang direct GitHub dependencies is susceptible to ChainJacking attack.
40 usestdlibvars - A linter that detect the possibility to use variables/constants from the Go standard library.
10 golang-ifood-sdk - iFood API SDK.
goreturns - Adds zero-value return statements to match the func return types.
goimports - Tool to fix (add, remove) your Go imports automatically.
blanket - blanket is a tool that helps you catch functions which don't have direct unit tests in your Go packages.

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Editor Plugins

Plugin for text editors and IDEs.

15550 vim-go - Go development plugin for Vim.
5008 gocode - Autocompletion daemon for the Go programming language.
3507 vscode-go - Extension for Visual Studio Code (VS Code) which provides support for the Go language.
3420 GoSublime - Golang plugin collection for the text editor SublimeText 3 providing code completion and other IDE-like features.
1507 go-plus - Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting.
1332 go-mode - Go mode for GNU/Emacs.
545 coc-go language server extension for Vim/Neovim - This plugin adds 6941 gopls features to Vim/Neovim.
395 goimports-reviser - Formatting tool for imports.
200 Watch - Runs a command in an acme win on file changes.
87 vim-compiler-go - Vim plugin to highlight syntax errors on save.
31 go-language-server - A wrapper to turn the VSCode go extension into a language server supporting the language-server-protocol.
23 gounit-vim - Vim plugin for generating Go tests based on the function's or method's signature.
15 theia-go-extension - Go language support for the Theia IDE.
7 Go Doc - A Visual Studio Code extension for showing definition in output and generating go doc.
goprofiling - This extension adds benchmark profiling support for the Go language to VS Code.
Go plugin for JetBrains IDEs - Go plugin for JetBrains IDEs.

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Go Generate Tools

4662 gotests - Generate Go tests from your source code.
1678 genny - Elegant generics for Go.
262 xgen - XSD (XML Schema Definition) parser and Go/C/Java/Rust/TypeScript code generator.
193 re2dfa - Transform regular expressions into finite state machines and output Go source code.
129 hasgo - Generate Haskell inspired functions for your slices.
114 gonerics - Idiomatic Generics in Go.
100 gocontracts - brings design-by-contract to Go by synchronizing the code with the documentation.
72 gounit - Generate Go tests using your own templates.
66 sqlgen - Generate gorm, xorm, sqlx, bun, sql code from SQL file or DSN.
48 generic - flexible data type for Go.
43 options-gen - Functional options described by Dave Cheney's post "Functional options for friendly APIs".
17 godal - Generate orm models corresponding to golang by specifying sql ddl file, which can be used by gorm.
TOML-to-Go - Translates TOML into a Go type in the browser instantly.

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Go Tools

8810 go-swagger - Swagger 2.0 implementation for go. Swagger is a simple yet powerful representation of your RESTful API.
5361 go-callvis - Visualize call graph of your Go program using dot format.
5166 OctoLinker - Navigate through go files efficiently with the OctoLinker browser extension for GitHub.
845 depth - Visualize dependency trees of any package by analyzing imports.
802 richgo - Enrich go test outputs with text decorations.
245 rts - RTS: response to struct. Generates Go structs from server responses.
197 godbg - Implementation of Rusts dbg! macro for quick and easy debugging during development.
180 typex - Examine Go types and their transitive dependencies, alternatively export results as TypeScript value objects (or types) declaration.
148 roumon - Monitor current state of all active goroutines via a command line interface.
118 gothanks - GoThanks automatically stars your go.mod github dependencies, sending this way some love to their maintainers.
112 colorgo - Wrapper around go command for colorized go build output.
59 go-james - Go project skeleton creator, builds and tests your projects without the manual setup.
59 igo - An igo to go transpiler (new language features for Go language!)
53 gotestdox - Show Go test results as readable sentences.
42 go-pkg-complete - Bash completion for go and wgo.
26 gomodrun - Go tool that executes and caches binaries included in go.mod files.
23 docs - Automatically generate RESTful API documentation for GO projects - aligned with Open API Specification standard.
8 modver - Compare two versions of a Go module to check the version-number change required (major, minor, or patchlevel), according to semver rules.
3 textra - Extract Go struct field names, types and tags for filtering and exporting.
gotemplate.io - Online tool to preview text/template templates live.

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Software Packages

Software written in Go.

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DevOps Tools

101019 kubernetes - Container Cluster Manager from Google.
66518 Moby - Collaborative project for the container ecosystem to assemble container-based systems.
44290 traefik - Reverse proxy and load balancer with support for multiple backends.
37962 Gitea - Fork of Gogs, entirely community driven.
21696 Vegeta - HTTP load testing tool and library. It's over 9000!
16101 Hey - Hey is a tiny program that sends some load to a web application.
14578 Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
9434 kubeshark - API traffic analyzer for Kubernetes, inspired by Wireshark, purposely built for Kubernetes.
9209 webhook - Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server.
8731 GVM - GVM provides an interface to manage Go versions.
7686 Ddosify - High-performance load testing tool, written in Golang.
6262 ko - Command line tool for building and deploying Go applications on Kubernetes
5528 KubeVela - Cloud native application delivery.
5095 gaia - Build powerful pipelines in any programming language.
4562 gox - Dead simple, no frills Go cross compile tool.
4494 bombardier - Fast cross-platform HTTP benchmarking tool.
4400 script - Making it easy to write shell-like scripts in Go for DevOps and system administration tasks.
3629 Pomerium - Pomerium is an identity-aware access proxy.
3361 bosun - Time Series Alerting Framework.
2025 kala - Simplistic, modern, and performant job scheduler.
1892 s5cmd - Blazing fast S3 and local filesystem execution tool.
1812 fac - Command-line user interface to fix git merge conflicts.
1681 goxc - build tool for Go, with a focus on cross-compiling and packaging.
1585 StatusOK - Monitor your Website and REST APIs.Get Notified through Slack, E-mail when your server is down or response time is more than expected.
1488 Fleet device management - Lightweight, programmable telemetry for servers and workstations.
1323 ghorg - Quickly clone an entire org/users repositories into one directory - Supports GitHub, GitLab, Gitea, and Bitbucket.
1273 go-selfupdate - Enable your Go applications to self update.
1138 s3gof3r - Small utility/library optimized for high speed transfer of large objects into and out of Amazon S3.
958 uTask - Automation engine that models and executes business processes declared in yaml.
889 skm - SKM is a simple and powerful SSH Keys Manager, it helps you to manage your multiple SSH keys easily!
838 Scaleway-cli - Manage BareMetal Servers from Command Line (as easily as with Docker).
775 kwatch - Monitor & detect crashes in your Kubernetes(K8s) cluster instantly.
677 cassowary - Modern cross-platform HTTP load-testing tool written in Go.
634 kool - Command line tool for managing Docker environments as an easy way.
580 aurora - Cross-platform web-based Beanstalkd queue server console.
535 govvv - “go build” wrapper to easily add version information into Go binaries.
386 Pewpew - Flexible HTTP command line stress tester.
365 jcli - Jenkins CLI allows you manage your Jenkins as an easy way.
334 gonative - Tool which creates a build of Go that can cross compile to all platforms while still using the Cgo-enabled versions of the stdlib packages.
330 trubka - A CLI tool to manage and troubleshoot Apache Kafka clusters with the ability of generically publishing/consuming protocol buffer and plain text events to/from Kafka.
312 Mora - REST server for accessing MongoDB documents and meta data.
306 lstags - Tool and API to sync Docker images across different registries.
292 Balerter - A self-hosted script-based alerting manager.
287 easyssh-proxy - Golang package for easy remote execution through SSH and SCP downloading via ProxyCommand.
287 manssh - manssh is a command line tool for managing your ssh alias config easily.
269 gobrew - Go version manager. Super simple tool to install and manage Go versions. Install go without root. Gobrew doesn't require shell rehash.
257 dogo - Monitoring changes in the source file and automatically compile and run (restart).
254 terraform-provider-openapi - Terraform provider plugin that dynamically configures itself at runtime based on an OpenAPI document (formerly known as swagger file) containing the definitions of the APIs exposed.
226 godbg - Web-based gdb front-end application.
211 Blast - A simple tool for API load testing and batch jobs.
205 abbreviate - abbreviate is a tool turning long strings in to shorter ones with configurable separators, for example to embed branch names in to deployment stack IDs.
205 s3-proxy - S3 Proxy with GET, PUT and DELETE methods and authentication (OpenID Connect and Basic Auth).
197 kcli - Command line tool for inspecting kafka topics/partitions/messages.
194 gobrew - gobrew lets you easily switch between multiple versions of go.
178 ostent - collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.
163 grapes - Lightweight tool designed to distribute commands over ssh with ease.
155 winrm-cli - Cli tool to remotely execute commands on Windows machines.
154 Dockerfile-Generator - A go library and an executable that produces valid Dockerfiles using various input channels.
125 drone-scp - Copy files and artifacts via SSH using a binary, docker or Drone CI.
119 tf-profile - Profiler for Terraform runs. Generate global stats, resource-level stats or visualizations.
104 Mantil - Go specific framework for building serverless applications on AWS that enables you to focus on pure Go code while Mantil takes care of the infrastructure.
97 go-furnace - Hosting solution written in Go. Deploy your Application with ease on AWS, GCP or DigitalOcean.
83 go-rocket-update - A simple way to make self updating Go applications - Supports Github and Gitlab.
64 Dropship - Tool for deploying code via cdn.
37 docker-go-mingw - Docker image for building Go binaries for Windows with MinGW toolchain.
37 drone-jenkins - Trigger downstream Jenkins jobs using a binary, docker or Drone CI.
34 Rodent - Rodent helps you manage Go versions, projects and track dependencies.
33 awsenv - Small binary that loads Amazon (AWS) environment variables for a profile.
31 httpref - httpref is a handy CLI reference for HTTP methods, status codes, headers, and TCP and UDP ports.
30 lwc - A live-updating version of the UNIX wc command.
23 DepCharge - Helps orchestrating the execution of commands across the many dependencies in larger projects.
15 wait-for - Wait for something to happen (from the command line) before continuing. Easy orchestration of Docker services and other things.
9 aptly - aptly is a Debian repository management tool.
8 sg - Benchmarks a set of HTTP endpoints (like ab), with possibility to use the response code and data between each call for specific server stress based on its previous response.
gitea-github-migrator - Migrate all your GitHub repositories, issues, milestones and labels to your Gitea instance.
Wide - Web-based IDE for Teams using Golang.
Gogs - A Self Hosted Git Service in the Go Programming Language.

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Other Software

23318 croc - Easily and securely send files or folders from one computer to another.
20981 restic - De-duplicating backup program.
18090 Seaweed File System - Fast, Simple and Scalable Distributed File System with O(1) disk seek.
17737 Gor - Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
10012 Comcast - Simulate bad network connections.
9300 toxiproxy - Proxy to simulate network and system conditions for automated tests.
8148 confd - Manage local application configuration files using templates and data from etcd or consul.
7270 LiteIDE - LiteIDE is a simple, open source, cross-platform Go IDE.
6559 drive - Google Drive client for the commandline.
5267 nes - Nintendo Entertainment System (NES) emulator written in Go.
4960 scc - Sloc Cloc and Code, a very fast accurate code counter with complexity calculations and COCOMO estimates.
4733 Duplicacy - A cross-platform network and cloud backup tool based on the idea of lock-free deduplication.
2810 blocky - Fast and lightweight DNS proxy as ad-blocker for local network with many features.
2663 myLG - Command Line Network Diagnostic tool written in Go.
2526 GoBoy - Nintendo Game Boy Color emulator written in Go.
2433 Stack Up - Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers.
2318 lgo - Interactive Go programming with Jupyter. It supports code completion, code inspection and 100% Go compatibility.
1971 Circuit - Circuit is a programmable platform-as-a-service (PaaS) and/or Infrastructure-as-a-Service (IaaS), for management, discovery, synchronization and orchestration of services and hosts comprising cloud applications.
1916 Documize - Modern wiki software that integrates data from SaaS tools.
1798 snap - Powerful telemetry framework.
1581 borg - Terminal based search engine for bash snippets.
1284 Plik - Plik is a temporary file upload system (Wetransfer like) in Go.
1143 shell2http - Executing shell commands via http server (for prototyping or remote control).
1004 vFlow - High-performance, scalable and reliable IPFIX, sFlow and Netflow collector.
940 portal - Portal is a quick and easy command-line file transfer utility from any computer to another.
921 peg - Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.
895 Go Package Store - App that displays updates for the Go packages in your GOPATH.
769 Gokapi - Lightweight server to share files, which expire after a set amount of downloads or days. Similar to Firefox Send, but without public upload.
736 Leaps - Pair programming service using Operational Transforms.
706 gfile - Securely transfer files between two computers, without any third party, over WebRTC.
656 Guora - A self-hosted Quora like web application written in Go.
621 Gebug - A tool that makes debugging of Dockerized Go applications super easy by enabling Debugger and Hot-Reload features, seamlessly.
608 sake - sake is a command runner for local and remote hosts.
579 gocc - Gocc is a compiler kit for Go written in Go.
543 mockingjay - Fake HTTP servers and consumer driven contracts from one configuration file. You can also make the server randomly misbehave to help do more realistic performance tests.
455 go-peerflix - Video streaming torrent client.
389 woke - Detect non-inclusive language in your source code.
366 ipe - Open source Pusher server implementation compatible with Pusher client libraries written in GO.
354 ide - Browser accessible IDE. Designed for Go with Go.
338 tcpprobe - TCP tool for network performance and path monitoring, including socket statistics.
303 wellington - Sass project management tool, extends the language with sprite functions (like Compass).
290 Cherry - Tiny webchat server in Go.
274 GoNB - Interactive Go programming with Jupyter Notebooks (also works in VSCode, Binder and Google's Colab).
260 Neo-cowsay - 🐮 cowsay is reborn. for a New Era.
244 hotswap - A complete solution to reload your go code without restarting your server, interrupting or blocking any ongoing procedure.
235 tcpdog - eBPF based TCP observability.
192 joincap - Command-line utility for merging multiple pcap files together.
176 Orbit - A simple tool for running commands and generating files from templates.
161 crawley - Web scraper/crawler for cli.
150 vaku - CLI & API for folder-based functions in Vault like copy, move, and search.
116 stew - An independent package manager for compiled binaries.
84 dp - Through SDK for data exchange with blockchain, developers can get easy access to DAPP development.
78 boxed - Dropbox based blog engine.
24 term-quiz - Quizzes for your terminal.
23 naclpipe - Simple NaCL EC25519 based crypto pipe tool written in Go.
16 Snitch - Simple way to notify your team and many tools when someone has deployed any application via Tsuru.
13 GoDocTooltip - Chrome extension for Go Doc sites, which shows function description as tooltip at function list.
6 hoofli - Generate PlantUML diagrams from Chrome or Firefox network inspections.
4 protoncheck - ProtonMail module for waybar/polybar/yabar/i3blocks.
hugo - Fast and Modern Static Website Engine.
syncthing - Open, decentralized file synchronization tool and protocol.
Better Go Playground - Go playground with syntax highlight, code completion and other features.
GoLand - Full featured cross-platform Go IDE.
goblin - Golang binaries in a curl, built by goblins.
Docker - Open platform for distributed applications for developers and sysadmins.
tsuru - Extensible and open source Platform as a Service software.
limetext - Lime Text is a powerful and elegant text editor primarily developed in Go that aims to be a Free and open-source software successor to Sublime Text.
Juju - Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more.
zs - an extremely minimal static site generator.

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Resources

Where to discover new Go libraries.

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Benchmarks

1906 go-web-framework-benchmark - Go web framework benchmark.
1616 go-http-routing-benchmark - Go HTTP request router benchmark and comparison.
1473 go_serialization_benchmarks - Benchmarks of Go serialization methods.
1026 skynet - Skynet 1M threads microbenchmark.
236 speedtest-resize - Compare various Image resize algorithms for the Go language.
146 go-benchmarks - Few miscellaneous Go microbenchmarks. Compare some language features to alternative approaches.
111 gospeed - Go micro-benchmarks for calculating the speed of language constructs.
96 autobench - Framework to compare the performance between different Go versions.
65 golang-sql-benchmark - Collection of benchmarks for popular Go database/SQL utilities.
60 gocostmodel - Benchmarks of common basic operations for the Go language.
28 go-ml-benchmarks - benchmarks for machine learning inference in Go.
26 go-benchmark-app - Powerful HTTP-benchmark tool mixed with Аb, Wrk, Siege tools. Gathering statistics and various parameters for benchmarks and comparison results.
25 kvbench - Key/Value database benchmark.
8 go-json-benchmark - Go JSON benchmark.

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Conferences

GoCon - Tokyo, Japan.
GoDays - Berlin, Germany.
GoLab - Florence, Italy.
GopherChina - Shanghai, China.
GopherCon - Denver, USA.
GopherCon Australia - Sydney, Australia.
GopherCon Brazil - Florianópolis, Brazil.
GopherCon Europe - Berlin, Germany.
GopherCon India - Pune, India.
GopherCon Israel - Tel Aviv, Israel.
GopherCon Russia - Moscow, Russia.
GopherCon Singapore - Mapletree Business City, Singapore.
GopherCon UK - London, UK.
GopherCon Vietnam - Ho Chi Minh City, Vietnam.
GoWest Conference - Lehi, USA.

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E-Books

E-books for purchase

100 Go Mistakes: How to Avoid Them
Black Hat Go - Go programming for hackers and pentesters.
Build an Orchestrator in Go
Continuous Delivery in Go - This practical guide to continuous delivery shows you how to rapidly establish an automated pipeline that will improve your testing, code quality, and final product.
Creative DIY Microcontroller Project With TinyGo and WebAssembly - An introduction into the TinyGo compiler with projects involving Arduino and WebAssembly.
Effective Go: Elegant, efficient, and testable code - Unlock Go’s unique perspective on program design, and start writing simple, maintainable, and testable Go code.
For the Love of Go - An introductory book for Go beginners.
Go Faster - This book seeks to shorten your learning curve and help you become a proficient Go programmer, faster.
Know Go: Generics - A guide to understanding and using generics in Go.
Lets-Go - A step-by-step guide to creating fast, secure and maintanable web applications with Go.
Lets-Go-Further - Advanced patterns for building APIs and web applications in Go.
The Power of Go: Tests - A guide to testing in Go.
The Power of Go: Tools - A guide to writing command-line tools in Go.
Writing A Compiler In Go
Writing An Interpreter In Go - Book that introduces dozens of techniques for writing idiomatic, expressive, and efficient Go code that avoids common pitfalls.

Free e-books

14604 GoBooks - A curated list of Go books.
9303 The Golang Standard Library by Example (Chinese)
5081 Go AST Book (Chinese) - A book focusing on Go go/* packages.
3128 Web Application with Go the Anti-Textbook
23 Go Succinctly - in Persian.
How To Code in Go eBook - A 600 page introduction to Go aimed at first time developers.
Go 101 - A book focusing on Go syntax/semantics and all kinds of details.
Building Web Apps With Go
A Go Developer's Notebook
Learning Go
Network Programming With Go
Practical Go Lessons
Spaceship Go A Journey to the Standard Library
The Go Programming Language
Build Web Application with Golang
An Introduction to Programming in Go

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Gophers

3210 gophers - Free gophers.
3034 Free Gophers Pack - Gopher graphics pack by Maria Letta with illustrations and emotional characters in vector and raster.
2840 gophers - Gopher artworks by Ashley McNamara.
653 gopherize.me - Gopherize yourself.
609 gophericons
561 gopher-stickers
120 gophers - Gopher amigurumi toy pattern.
114 gopher-logos - adorable gopher logos.
65 Go-gopher-Vector - Go gopher Vector Data [.ai, .svg].
58 gophers - random gopher graphics.
24 gophers - Gophers by Aurélie Vache.

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Meetups

Add the group of your city/country here (send PR)

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Style Guides

27633 CockroachDB
14769 Hyperledger
14170 Uber
2960 Magnetico
1447 bahlo/go-styleguide
313 Trybe
GitLab
Google
Sourcegraph
Thanos

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Twitter

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Reddit

r/golang

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Websites

113764 Go Projects - List of projects on the Go community wiki.
30489 awesome-awesomeness - List of other amazingly awesome lists.
26280 Awesome Remote Job - Curated list of awesome remote jobs. A lot of them are looking for Go hackers.
485 Awesome Golang Workshops - A curated list of awesome golang workshops.
138 golang-graphics - Collection of Go images, graphics, and art.
41 gocryforhelp - Collection of Go projects that needs help. Good place to start your open-source way in Go.
21 awesome-go-extra - Parse awesome-go README file and generate a new README file with repo info.
godoc.org - Documentation for open source Go packages.
Golang Resources - A curation of the best articles, exercises, talks and videos to learn Go.
Go Blog - The official Go blog.
Go Code Club - A group of Gophers read and discuss a different Go project every week.
Go Community on Hashnode - Community of Gophers on Hashnode.
Go Forum - Forum to discuss Go.
CodinGame - Learn Go by solving interactive tasks using small games as practical examples.
Go Proverbs - Go Proverbs by Rob Pike.
Go Report Card - A report card for your Go package.
go.dev - A hub for Go developers.
Coding Mystery - Solve exciting escape-room-inspired programming challenges using Go.
Awesome Go @LibHunt - Your go-to Go Toolbox.
Golang Developer Jobs - Developer Jobs exclusively for Golang related Roles.
Golang Flow - Post Updates, News, Packages and more.
Golang News - Links and news about Go programming.
Explore Go Libraries & Projects - Discover & find a curated list of popular & new Go libraries, top authors, trending project kits, discussions, tutorials & learning resources on kandi.
Golang Weekly - Each monday projects, tutorials and articles about Go.
Code with Mukesh - Software Engineer and Blogs @ codewithmukesh.com.
golang-nuts - Go mailing list.
Google Plus Community - The Google+ community for #golang enthusiasts.
Gopher Community Chat - Join Our New Slack Community For Gophers (Understand how it came).
Gophercises - Free coding exercises for budding gophers.
gowalker.org - Go Project API documentation.
json2go - Advanced JSON to Go struct conversion - online tool.
justforfunc - Youtube channel dedicated to Go programming language tips and tricks, hosted by Francesc Campoy @francesc.
Learn Go Programming - Learn Go concepts with illustrations.
Made with Golang
r/Golang - News about Go.
studygolang - The community of studygolang in China.
Trending Go repositories on GitHub today - Good place to find new Go libraries.
TutorialEdge - Golang

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Tutorials

42259 Build web application with Golang - Golang ebook intro how to build a web app with golang.
22675 go-patterns - Curated list of Go design patterns, recipes and idioms.
20003 Learn Go with TDD - Learn Go with test-driven development.
17600 Learn Go with 1000+ Exercises - Learn Go with thousands of examples, exercises, and quizzes.
7766 Go Cheat Sheet - Go's reference card.
5367 go-clean-template - Clean Architecture template for Golang services.
3980 Golang for Node.js Developers - Examples of Golang compared to Node.js for learning.
1616 Ethereum Development with Go - A little e-book on Ethereum Development with Go.
1158 Working with Go - Intro to go for experienced programmers.
647 goapp - An opinionated guideline to structure & develop a Go web application/service.
125 Go in 7 days - Learn everything about Go in 7 days (from a Nodejs developer).
105 Design Patterns in Go - Collection of programming design patterns implemented in Go.
42 Hex Monscape - Getting started guidelines in writing maintainable code using Hexagonal Architecture.
11 Debugged.it Go patterns - Advanced Go patterns with ready-to-run examples.
GopherCoding - Collection of code snippets and tutorials to help tackle every day issues.
Hackr.io - Learn Go from the best online golang tutorials submitted & voted by the golang programming community.
Caching Slow Database Queries - How to cache slow database queries.
Go database/sql tutorial - Introduction to database/sql.
Games With Go - A video series teaching programming and game development.
Go Language Tutorial - Learn Go language Tutorial.
Go Tutorial - Learn Go programming.
Go WebAssembly Tutorial - Building a Simple Calculator
Building Go Web Applications and Microservices Using Gin - Get familiar with Gin and find out how it can help you reduce boilerplate code and build a request handling pipeline.
Building and Testing a REST API in Go with Gorilla Mux and PostgreSQL - We’ll write an API with the help of the powerful Gorilla Mux.
50 Shades of Go - Traps, Gotchas, and Common Mistakes for New Golang Devs.
Build a Database in 1000 lines of code - Build a NoSQL Database From Zero in 1000 Lines of Code.
Golang Tutorial Guide - A List of Free Courses to Learn the Go Programming Language.
Golangbot - Tutorials to get started with programming in Go.
CodeCrafters Golang Track - Achieve mastery in advanced Go by building your own Redis, Docker, Git, and SQLite. Featuring goroutines, systems programming, file I/O, and more.
GopherSnippets - Code snippets with tests and testable examples for the Go programming language.
Gosamples - Collection of code snippets that let you solve everyday code problems.
Go By Example - Hands-on introduction to Go using annotated example programs.
Canceling MySQL - How to cancel MySQL queries.
How to Benchmark: dbq vs sqlx vs GORM - Learn how to benchmark in Go. As a case-study, we will benchmark dbq, sqlx and GORM.
How To Deploy a Go Web Application with Docker - Learn how to use Docker for Go development and how to build production Docker images.
How to Use Godog for Behavior-driven Development in Go - Get started with Godog — a Behavior-driven development framework for building and testing Go applications.
A Tour of Go - Interactive tour of Go.
A Guide to Golang E-Commerce - Building a Golang site for e-commerce (demo included).
Learning Go by examples - Series of articles in order to learn Golang language by concrete applications as example.
Microservices with Go - Dive deep into building microservices using Go, including gRPC.
package main - YouTube channel about Programming in Go.
Programming with Google Go - Coursera Specialization to learn about Go from scratch.
Saving a Third of Our Memory by Re-ordering Go Struct Fields - How inefficient field ordering in Go structs.
Scaling Go Applications - Everything about building, deploying and scaling Go applications in production.
The world’s easiest introduction to WebAssembly with Golang
W3basic Go Tutorials - W3Basic provides an in-depth tutorial and well-organized content to learn Golang programming.
A Comprehensive Guide to Structured Logging in Go - Delve deep into the world of structured logging in Go with a specific focus on recently accepted slog proposal which aims to bring high performance structured logging with levels to the standard library.
Your basic Go - Huge collection of tutorials and how to's.

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Guided Learning

The Go Developer Roadmap - A visual roadmap that new Go developers can follow through to help them learn Go.
The Go Learning Path - A guided learning path containing a mix of free and premium resources.

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License

amanbolat/awesome-go-with-stars

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