Programming Languages

Abap

abapOpenChecks - Enhances the SAP Code Inspector with new and customizable checks.

Ada

Codepeer - detects run-time and logic errors
Polyspace for Ada ©️ - provide code verification that proves the absence of overflow, divide-by-zero, out-of-bounds array access, and certain other run-time errors in source code.
SPARK ©️ - Static analysis and formal verification toolset for Ada
Understand ©️ - IDE that provides code analysis, standards testing, metrics, graphing, dependency analysis and more for Ada and VHDL.

Awk

gawk --lint - warns about constructs that are dubious or nonportable to other awk implementations.

C/C++

CBMC - bounded model-checker for C programs, user-defined assertions, standard assertions, several coverage metric analyses
clang-tidy - clang static analyser
CMetrics - Measures size and complexity for C files
Codecheker - static analysis of C/C++ code, with web GUI
CodeSonar from GrammaTech ©️ - Advanced, whole program, deep path, static analysis of C and C++ with easy-to-understand explanations and code and path visualization.
Corrode - Semi-automatic translation from C to Rust. Could reveal bugs in the original implementation by showing Rust compiler warnings and errors.
cppcheck - static analysis of C/C++ code
CppDepend ©️ - Measure, query and visualize your code and avoid unexpected issues, technical debt and complexity.
cpplint - automated C++ checker that follows Google's style guide
cqmetrics - quality metrics for C code
CScout - complexity and quality metrics for for C and C preprocessor code
flawfinder - finds possible security weaknesses
flint++ - cross-platform, zero-dependency port of flint, a lint program for C++ developed and used at Facebook.
Frama-C - a sound and extensible static analyzer for C code
Helix QAC ©️ - Enterprise-grade static analysis for embedded software. Supports MISRA, CERT, and AUTOSAR coding standards.
IKOS - a sound static analyzer for C/C++ code based on LLVM
include-gardener - a static analyzer for C/C++/Obj-C to create a graph (in dot or graphml format) which shows all #include relations of a given set of files.
oclint - static analysis of C/C++ code
Polyspace Bug Finder ©️ - identifies run-time errors, concurrency issues, security vulnerabilities, and other defects in C and C++ embedded software.
Polyspace Code Prover ©️ - provide code verification that proves the absence of overflow, divide-by-zero, out-of-bounds array access, and certain other run-time errors in C and C++ source code.
scan-build - Analyzes C/C++ code using LLVM at compile-time
splint - Annotation-assisted static program checker
vera++ - Vera++ is a programmable tool for verification, analysis and transformation of C++ source code.

C#

.NET Analyzers - An organization for the development of analyzers (diagnostics and code fixes) using the .NET Compiler Platform.
Code Analysis Rule Collection - Contains a set of diagnostics, code fixes and refactorings built on the Microsoft .NET Compiler Platform "Roslyn".
code-cracker - An analyzer library for C# and VB that uses Roslyn to produce refactorings, code analysis, and other niceties.
CodeRush ©️ - Code creation, debugging, navigation, refactoring, analysis and visualization tools that use the Roslyn engine in Visual Studio 2015 and up.
CSharpEssentials - C# Essentials is a collection of Roslyn diagnostic analyzers, code fixes and refactorings that make it easy to work with C# 6 language features.
Designite ©️ - Designite is a software design quality assessment tool. It supports detection of implementation and design smells, computation of various code quality metrics, and trend analysis.
Gendarme - Gendarme inspects programs and libraries that contain code in ECMA CIL format (Mono and .NET).
NDepend ©️ - Measure, query and visualize your code and avoid unexpected issues, technical debt and complexity.
Puma Scan - Puma Scan provides real time secure code analysis for common vulnerabilities (XSS, SQLi, CSRF, LDAPi, crypto, deserialization, etc.) as development teams write code in Visual Studio.
Refactoring Essentials - The free Visual Studio 2015 extension for C# and VB.NET refactorings, including code best practice analyzers.
ReSharper ©️ - Extends Visual Studio with on-the-fly code inspections for C#, VB.NET, ASP.NET, JavaScript, TypeScript and other technologies.
Roslyn Security Guard - Project that focuses on the identification of potential vulnerabilities such as SQL injection, cross-site scripting (XSS), CSRF, cryptography weaknesses, hardcoded passwords and many more.
Roslynator - A collection of 190+ analyzers and 190+ refactorings for C#, powered by Roslyn.
Security Code Scan - Security code analyzer for C# and VB.NET. Detects various security vulnerability patterns: SQLi, XSS, CSRF, XXE, Open Redirect, etc.
SonarLint for Visual Studio - SonarLint is an extension for Visual Studio 2015 and 2017 that provides on-the-fly feedback to developers on new bugs and quality issues injected into .NET code.
VSDiagnostics - A collection of static analyzers based on Roslyn that integrates with VS.
Wintellect.Analyzers - .NET Compiler Platform ("Roslyn") diagnostic analyzers and code fixes.

Crystal

ameba - A static code analysis tool for Crystal
crystal - The Crystal compiler has built-in linting functionality.

Dlang

D-scanner - D-Scanner is a tool for analyzing D source code

Elixir

credo - A static code analysis tool with a focus on code consistency and teaching.
sobelow - Security-focused static analysis for the Phoenix Framework

Erlang

elvis - Erlang Style Reviewer

F#

FSharpLint - Lint tool for F#

Fortran

i-Code CNES for Fortran - An open source static code analysis tool for Fortran 77, Fortran 90 and Shell.

Go

deadcode - Finds unused code.
dingo-hunter - Static analyser for finding deadlocks in Go.
dupl - Reports potentially duplicated code.
errcheck - Check that error return values are used.
flen - Get info on length of functions in a Go package.
gas - Inspects source code for security problems by scanning the Go AST.
Go Meta Linter - Concurrently run Go lint tools and normalise their output.
go tool vet --shadow - Reports variables that may have been unintentionally shadowed.
go vet - Examines Go source code and reports suspicious.
go-consistent - Analyzer that helps you to make your Go programs more consistent.
go-critic - Go source code linter that maintains checks which are currently not implemented in other linters.
go-staticcheck - go vet on steroids, similar to ReSharper for C#.
go/ast - Package ast declares the types used to represent syntax trees for Go packages.
goconst - Finds repeated strings that could be replaced by a constant.
gocyclo - Calculate cyclomatic complexities of functions in Go source code.
gofmt -s - Checks if the code is properly formatted and could not be further simplified.
goimports - Checks missing or unreferenced package imports.
GolangCI-Lint - Alternative to Go Meta Linter: GolangCI-Lint is a linters aggregator.
golint - Prints out coding style mistakes in Go source code.
goreporter - concurrently runs many linters and normalises their output to a report.
goroutine-inspect - An interactive tool to analyze Golang goroutine dump.
gosimple - Report simplifications in code.
gotype - Syntactic and semantic analysis similar to the Go compiler.
ineffassign - Detect ineffectual assignments in Go code
interfacer - Suggest narrower interfaces that can be used.
lll - Report long lines.
maligned - Detect structs that would take less memory if their fields were sorted.
megacheck - Run staticcheck, gosimple and unused, sharing work.
misspell - Finds commonly misspelled English words.
nakedret - Finds naked returns.
prealloc - Finds slice declarations that could potentially be preallocated.
revive - Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
safesql - Static analysis tool for Golang that protects against SQL injections.
structcheck - Find unused struct fields.
test - Show location of test failures from the stdlib testing module.
testify - Show location of failed testify assertions.
unconvert - Detect redundant type conversions.
unimport - Finds unnecessary import aliases
unparam - Find unused function parameters.
unused - Find unused variables.
varcheck - Find unused global variables and constants.

Groovy

CodeNarc - a static analysis tool for Groovy source code, enabling monitoring and enforcement of many coding standards and best practices

Haskell

HLint - HLint is a tool for suggesting possible improvements to Haskell code.
Weeder - A tool for detecting dead exports or package imports in Haskell code.

Haxe

Haxe Checkstyle - A static analysis tool to help developers write Haxe code that adheres to a coding standard.

Java

ArchUnit - Unit test your Java architecture
Checker Framework - Pluggable type-checking for Java http://checkerframework.org/
checkstyle - checking Java source code for adherence to a Code Standard or set of validation rules (best practices)
ck - calculates Chidamber and Kemerer object-oriented metrics by processing the source Java files
ckjm - calculates Chidamber and Kemerer object-oriented metrics by processing the bytecode of compiled Java files
ClassGraph - a classpath and module path scanner for querying or visualizing class metadata or class relatedness
CogniCrypt - checks Java source and byte code for incorrect uses of cryptographic APIs
Error-prone - Catch common Java mistakes as compile-time errors
fb-contrib - A plugin for FindBugs with additional bug detectors
Find Security Bugs - IDE/SonarQube plugin for security audits of Java web applications.
google-java-format - Google Style Reformat
Hopper - A static analysis tool written in scala for languages that run on JVM
HuntBugs - Bytecode static analyzer tool based on Procyon Compiler Tools aimed to supersede FindBugs.
JArchitect ©️ - Measure, query and visualize your code and avoid unexpected issues, technical debt and complexity.
JBMC - bounded model-checker for Java (bytecode), verifies user-defined assertions, standard assertions, several coverage metric analyses
NullAway - Type-based null-pointer checker with low build-time overhead; an Error Prone plugin
OWASP Dependency Check - Checks dependencies for known, publicly disclosed, vulnerabilities.
qulice - combines a few (pre-configured) static analysis tools (checkstyle, PMD, Findbugs, ...).
Soot - A framework for analyzing and transforming Java and Android applications.
Spoon - Library to write your own static analyses and architectural rule checkers for Java. Can be integrated in Maven and Gradle.
SpotBugs - SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

JavaScript

aether - Lint, analyze, normalize, transform, sandbox, run, step through, and visualize user JavaScript, in node or the browser.
ClosureLinter - ensures that all of your project's JavaScript code follows the guidelines in the Google JavaScript Style Guide. It can also automatically fix many common errors
coffeelint - A style checker that helps keep CoffeeScript code clean and consistent.
complexity-report - Software complexity analysis for JavaScript projects
DeepScan ©️ - An analyzer for JavaScript which targets runtime errors and quality issues rather than coding conventions.
escomplex - Software complexity analysis of JavaScript-family abstract syntax trees.
eslint - A fully pluggable tool for identifying and reporting on patterns in JavaScript
Esprima - ECMAScript parsing infrastructure for multipurpose analysis
flow - A static type checker for JavaScript.
jshint ⚠️ - detect errors and potential problems in JavaScript code and enforce your team's coding conventions
JSLint ⚠️ - The JavaScript Code Quality Tool
JSPrime - static security analysis tool
NodeJSScan - NodeJsScan is a static security code scanner for Node.js applications.
plato - Visualize JavaScript source complexity
Prettier - An opinionated code formatter.
quality - zero configuration code and module linting
retire.js - Scanner detecting the use of JavaScript libraries with known vulnerabilities
standard - An npm module that checks for Javascript Styleguide issues
tern - A JavaScript code analyzer for deep, cross-editor language support
xo - Opinionated but configurable ESLint wrapper with lots of goodies included. Enforces strict and readable code.
yardstick - Javascript code metrics

Kotlin

detekt - Static code analysis for Kotlin code.
ktlint - An anti-bikeshedding Kotlin linter with built-in formatter

Lua

luacheck - A tool for linting and static analysis of Lua code.

MATLAB

mlint ©️ - Check MATLAB code files for possible problems.

Perl

Perl::Critic - Critique Perl source code for best-practices.

PHP

dephpend - Dependency analysis tool
deprecation-detector - Finds usages of deprecated (Symfony) code
deptrac - Enforce rules for dependencies between software layers.
DesignPatternDetector - detection of design patterns in PHP code
EasyCodingStandard - combine PHP_CodeSniffer and PHP-CS-Fixer
exakat - An automated code reviewing engine for PHP
GrumPHP - checks code on every commit
Mondrian - a set of static analysis and refactoring tools which use graph theory
parallel-lint - This tool checks syntax of PHP files faster than serial check with a fancier output.
Parse - A Static Security Scanner
pdepend - Calculates software metrics like cyclomatic complexity for PHP code.
phan - a modern static analyzer from etsy
PHP Assumptions - Checks for weak assumptions
PHP Coding Standards Fixer - Fixes your code according to standards like PSR-1, PSR-2, and the Symfony standard.
Php Inspections (EA Extended) - A Static Code Analyzer for PHP.
PHP Refactoring Browser - Refactoring helper
PHP Semantic Versioning Checker - Suggests a next version according to semantic versioning
PHP-Parser - A PHP parser written in PHP
PHP-Token-Reflection - Library emulating the PHP internal reflection
php7cc - PHP 7 Compatibility Checker
php7mar - assist developers in porting their code quickly to PHP 7
PHP_CodeSniffer - detects violations of a defined set of coding standards
phpca - Finds usage of non-built-in extensions
phpcf - Finds usage of deprecated PHP features
phpcpd - Copy/Paste Detector for PHP code.
phpdcd - Dead Code Detector (DCD) for PHP code.
PhpDependencyAnalysis - builds a dependency graph for a project
phpdoc-to-typehint - Add scalar type hints and return types to existing PHP projects using PHPDoc annotations
phpDocumentor - Analyzes PHP source code to generate documentation
PHPMD - finds possible bugs in your code
PhpMetrics - Calculates and visualizes various code quality metrics
phpmnd - Helps to detect magic numbers
PHPQA - A tool for running QA tools (phploc, phpcpd, phpcs, pdepend, phpmd, phpmetrics)
phpqa - jakzal - Many tools for PHP static analysis in one container
phpqa - jmolivas - PHPQA all-in-one Analyzer CLI tool
phpsa - Static analysis tool for PHP.
PHPStan - PHP Static Analysis Tool - discover bugs in your code without running it!
Progpilot - A static analysis tool for security purposes
Psalm - Static analysis tool for finding type errors in PHP applications
Qafoo Quality Analyzer - Visualizes metrics and source code
RIPS ©️ - A static source code analyser for vulnerabilities in PHP scripts
Tuli - A static analysis engine
twig-lint - twig-lint is a lint tool for your twig files.
WAP - Tool to detect and correct input validation vulnerabilities in PHP (4.0 or higher) web applications and predicts false positives by combining static analysis and data mining.

Python

bandit - a tool to find common security issues in Python code
bellybutton - a linting engine supporting custom project-specific rules
Black - The uncompromising Python code formatter
cohesion - a tool for measuring Python class cohesion
jedi - autocompletion/static analysis library for Python
linty fresh - parse lint errors and report them to Github as comments on a pull request
mccabe - check McCabe complexity
mypy - a static type checker that aims to combine the benefits of duck typing and static typing, frequently used with MonkeyType
py-find-injection - find SQL injection vulnerabilities in Python code
pycodestyle - (formerly pep8) check Python code against some of the style conventions in PEP 8
pydocstyle - check compliance with Python docstring conventions
pyflakes - check Python source files for errors
pylint - looks for programming errors, helps enforcing a coding standard and sniffs for some code smells. It additionally includes pyreverse (an UML diagram generator) and symilar (a similarities checker).
pyre-check - A fast, scalable type checker for large Python codebases
pyright - Static type checker for Python, created to address gaps in existing tools like mypy.
pyroma - rate how well a Python project complies with the best practices of the Python packaging ecosystem, and list issues that could be improved
PyT - Python Taint - A static analysis tool for detecting security vulnerabilities in Python web applications.
radon - a Python tool that computes various metrics from the source code
vulture - find unused classes, functions and variables in Python code
wemake-python-styleguide - the strictest and most opinionated python linter ever
xenon - monitor code complexity using radon

Python wrappers

ciocheck - linter, formatter and test suite helper. As a linter, it is a wrapper around pep8, pydocstyle, flake8, and pylint.
flake8 - a wrapper around pyflakes, pycodestyle and mccabe
multilint - a wrapper around flake8, isort and modernize
prospector - a wrapper around pylint, pep8, mccabe and others

R

cyclocomp - Quantifies the cyclomatic complexity of R functions / expressions.
goodpractice - Analyses the source code for R packages and provides best-practice recommendations.
lintr - Static Code Analysis for R.
styler - Formatting of R source code files and pretty-printing of R code.

RPG

SourceMeter ©️ - Static Code Analysis for RPG III and RPG IV versions (including free-form)

Ruby

brakeman - A static analysis security vulnerability scanner for Ruby on Rails applications
cane - Code quality threshold checking as part of your build
dawnscanner - a static analysis security scanner for ruby written web applications. It supports Sinatra, Padrino and Ruby on Rails frameworks.
flay - Flay analyzes code for structural similarities.
flog - Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in.
laser - Static analysis and style linter for Ruby code.
pelusa - Static analysis Lint-type tool to improve your OO Ruby code
quality - Runs quality checks on your code using community tools, and makes sure your numbers don't get any worse over time.
Querly - Pattern Based Checking Tool for Ruby
reek - Code smell detector for Ruby
RuboCop - A Ruby static code analyzer, based on the community Ruby style guide.
Rubrowser - Ruby classes interactive dependency graph generator.
ruby-lint - Static code analysis for Ruby
rubycritic - A Ruby code quality reporter
SandiMeter - Static analysis tool for checking Ruby code for Sandi Metz' rules.

Rust

cargo-audit - Audit Cargo.lock for crates with security vulnerabilities reported to the RustSec Advisory Database.
cargo-inspect - Inspect Rust code without syntactic sugar to see what the compiler does behind the curtains.
clippy - A code linter to catch common mistakes and improve your Rust code
electrolysis - A tool for formally verifying Rust programs by transpiling them into definitions in the Lean theorem prover.
herbie - Adds warnings or errors to your crate when using a numerically unstable floating point expression.
linter-rust - Linting your Rust-files in Atom, using rustc and cargo
Rust Language Server - Supports functionality such as 'goto definition', symbol search, reformatting, and code completion, and enables renaming and refactorings.
rustfix - read and apply the suggestions made by rustc (and third-party lints, like those offered by clippy).

Scala

linter - Linter is a Scala static analysis compiler plugin which adds compile-time checks for various possible bugs, inefficiencies, and style problems.
Scalastyle - Scalastyle examines your Scala code and indicates potential problems with it.
scapegoat - Scala compiler plugin for static code analysis
WartRemover - a flexible Scala code linting tool.

Shell

i-Code CNES for Shell - An open source static code analysis tool for Shell and Fortran (77 and 90).
shellcheck - ShellCheck, a static analysis tool that gives warnings and suggestions for bash/sh shell scripts

Solidity

slither - Static analysis framework that runs a suite of vulnerability detectors, prints visual information about contract details, and provides an API to easily write custom analyses
solium - Solium is a linter to identify and fix style and security issues in Solidity smart contracts

SQL

sqlcheck - Automatically identify anti-patterns in SQL queries
sqlint - Simple SQL linter
tsqllint - T-SQL-specific linter
TSqlRules - TSQL Static Code Analysis Rules for SQL Server

Swift

SwiftFormat - A library and command-line formatting tool for reformatting Swift code
SwiftLint - A tool to enforce Swift style and conventions
Tailor - A static analysis and lint tool for source code written in Apple's Swift programming language.

TypeScript

Codelyzer - A set of tslint rules for static code analysis of Angular 2 TypeScript projects.
TSLint - An extensible linter for the TypeScript language.
tslint-clean-code - A set of TSLint rules inspired by the Clean Code handbook.
tslint-microsoft-contrib - A set of tslint rules for static code analysis of TypeScript projects maintained by Microsoft.

VBScript

Test Design Studio ©️ - A full IDE with static code analysis for Micro Focus Unified Functional Testing VBScript-based automated tests.

Multiple languages

AppChecker ©️ - Static analysis for C/C++/C#, PHP and Java
Application Inspector ©️ - Commercial Static Code Analysis which generates exploits to verify vulnerabilities. Supports: Java (including JSP and JSF), C#, VB.Net, ASP.NET, Php, JavaScript, Objective-C, Swift, C\C++, SQL (PL/SQL. T-SQL. MySQL), HTML5
AppScan ©️ - Commercial Static Code Analysis. Supports: Microsoft .NET Framework (C#, ASP.NET, VB.NET), ASP (JavaScript/VBScript), C/C++, COBOL, ColdFusion, JavaScript, JavaServer Pages (JSP), Java™ (including support for Android APIs), Perl, PHP, PL/SQL, T-SQL, Visual Basic 6
APPscreener ©️ - Static code analysis for binary and source code - Java/Scala, PHP, Javascript, C#, PL/SQL, Python, T-SQL, C/C++, ObjectiveC/Swift, Visual Basic 6.0, Ruby, Delphi, ABAP, HTML5 and Solidity
Axivion Bauhaus Suite ©️ - Tracks down error-prone code locations, style violations, cloned or dead code, cyclic dependencies and more for C/C++, C#/.NET, Java and Ada 83/Ada 95
Checkmarx ©️ - Commercial Static Code Analysis which doesn't require pre-compilation. Supports: Android (Java), Apex and VisualForce, ASP, C#, C/C++, Go, Groovy, HTML5, Java, JavaScript, Node.js, Objective C, Perl, PhoneGap, PHP, Python, Ruby, Scala, Swift, VB.NET, VB6, VBScript
coala - Language independent framework for creating code analysis - supports over 60 languages by default
Cobra ©️ - Structural source code analyzer by NASA's Jet Propulsion Laboratory. Supports C, C++, Ada, and Python.
codeburner - Provides a unified interface to sort and act on the issues it finds
CodeFactor ©️ - Static Code Analysis for C#, C, C++, CoffeeScript, CSS, Groovy, GO, JAVA, JavaScript, Less, Python, Ruby, Scala, SCSS, TypeScript.
CodeIt.Right ©️ - CodeIt.Right™ provides a fast, automated way to ensure that your source code adheres to (your) predefined design and style guidelines as well as best coding practices. Supported languages: C#, VB.NET.
CodeScene ©️ - CodeScene prioritizes technical debt, finds social patterns and identifies hidden risks in your code.
cqc - Check your code quality for js, jsx, vue, css, less, scss, sass and styl files.
Depends - Analyses the comprehensive dependencies of code elements for Java, C/C++, Ruby.
DevSkim - Regex-based static analysis tool for Visual Studio, VS Code, and Sublime Text - C/C++, C#, PHP, ASP, Python, Ruby, Java, and others.
Fortify ©️ A commercial static analysis platform that supports the scanning of C/C++, C#, VB.NET, VB6, ABAP/BSP, ActionScript, Apex, ASP.NET, Classic ASP, VB Script, Cobol, ColdFusion, HTML, Java, JS, JSP, MXML/Flex, Objective-C, PHP, PL/SQL, T-SQL, Python (2.6, 2.7), Ruby (1.9.3), Swift, Scala, VB, and XML.
Goodcheck - Regexp based customizable linter
graudit - Grep rough audit - source code auditing tool - C/C++, PHP, ASP, C#, Java, Perl, Python, Ruby
Hound CI - Comments on style violations in GitHub pull requests. Supports Coffeescript, Go, HAML, JavaScript, Ruby, SCSS and Swift.
imhotep - Comment on commits coming into your repository and check for syntactic errors and general lint warnings.
Infer - A static analyzer for Java, C and Objective-C
Klocwork ©️ - Quality and Security Static analysis for C/C++, Java and C#
Kiuwan ©️ - Identify and remediate cyber threats in a blazingly fast, collaborative environment, with seamless integration in your SDLC. Python, C\C++, Java, C#, PHP and more
oclint - A static source code analysis tool to improve quality and reduce defects for C, C++ and Objective-C
pfff - Facebook's tools for code analysis, visualizations, or style-preserving source transformation for many languages
PMD - A source code analyzer for Java, Javascript, PLSQL, XML, XSL and others
Pronto - Quick automated code review of your changes. Supports more than 40 runners for various languages, including Clang, Elixir, JavaSCript, PHP, Ruby and more
pre-commit - A framework for managing and maintaining multi-language pre-commit hooks.
PT.PM - An engine for searching patterns in the source code, based on Unified AST or UST. At present time C#, Java, PHP, PL/SQL, T-SQL, and JavaScript are supported. Patterns can be described within the code or using a DSL.
PVS-Studio ©️ - a (conditionally free for FOSS) static analysis of C/C++ and C# code. For advertising purposes you can propose a large FOSS project for analysis by PVS employees.
Reviewdog - A tool for posting review comments from any linter in any code hosting service.
Security Code Scan - Security code analyzer for C# and VB.NET. Detects various security vulnerability patterns: SQLi, XSS, CSRF, XXE, Open Redirect, etc.
Semmle QL and LGTM ©️ - Find security vulnerabilities, variants, and critical code quality issues using queries over source code. Automatic PR code review; free for public GitHub/Bitbucket repo: LGTM.com.
shipshape - Static program analysis platform that allows custom analyzers to plug in through a common interface
SonarQube - SonarQube is an open platform to manage code quality.
STOKE - a programming-language agnostic stochastic optimizer for the x86_64 instruction set. It uses random search to explore the extremely high-dimensional space of all possible program transformations
Synopsys ©️ - A commercial static analysis platform that allows for scanning of multiple languages (C/C++, Android, C#, Java, JS, PHP, Python, Node.JS, Ruby, Fortran, and Swift)
TscanCode - A fast and accurate static analysis solution for C/C++, C#, Lua codes provided by Tencent. Using GPLv3 license.
Undebt - Language-independent tool for massive, automatic, programmable refactoring based on simple pattern definitions
Veracode ©️ - Find flaws in binaries and bytecode without requiring source. Support all major programming languages: Java, .NET, JavaScript, Swift, Objective-C, C, C++ and more.
WALA - static analysis capabilities for Java bytecode and related languages and for JavaScript
Wotan - Pluggable TypeScript and JavaScript linter
XCode ©️ - XCode provides a pretty decent UI for Clang's static code analyzer (C/C++, Obj-C)

Other

Build tools

checkmake - Linter / Analyzer for Makefiles
codechecker - a defect database and viewer extension for the Clang Static Analyzer

Binaries

BinSkim - A binary static analysis tool that provides security and correctness results for Windows portable executables.
Jakstab - Jakstab is an Abstract Interpretation-based, integrated disassembly and static analysis framework for designing analyses on executables and recovering reliable control flow graphs.
Manalyze - A static analyzer, which checks portable executables for malicious content.
Twiggy - Analyzes a binary's call graph to profile code size. The goal is to slim down binaries.

Containers

anchore - Discover, analyze, and certify container images
clair - Vulnerability Static Analysis for Containers
collector - Run arbitrary scripts inside containers, and gather useful information
dagda - Perform static analysis of known vulnerabilities in docker images/containers.
Docker Label Inspector - Lint and validate Dockerfile labels
Haskell Dockerfile Linter - A smarter Dockerfile linter that helpsyou build best practice Docker images
kube-score - Static code analysis of your Kubernetes object definitions.

Config Files

dotenv-linter - Linting dotenv files like a charm.
gixy - a tool to analyze Nginx configuration. The main goal is to prevent misconfiguration and automate flaw detection.

Configuration Management

ansible-lint - Checks playbooks for practices and behaviour that could potentially be improved
cfn-lint - AWS Labs CloudFormation linter.
cfn_nag - A linter for AWS CloudFormation templates.
cookstyle - Cookstyle is a linting tool based on the RuboCop Ruby linting tool for Chef cookbooks
foodcritic - A lint tool that checks Chef cookbooks for common problems.
Puppet Lint - Check that your Puppet manifests conform to the style guide.
terrascan - Collection of security and best practice tests for static code analysis of Terraform templates.
tflint - A Terraform linter for detecting errors that can not be detected by terraform plan.

CSS

CSS Stats - Potentially interesting stats on stylesheets
CSScomb - a coding style formatter for CSS. Supports own configurations to make style sheets beautiful and consistent
CSSLint - Does basic syntax checking and finds problematic patterns or signs of inefficiency
GraphMyCSS.com - CSS Specificity Graph Generator
Parker - Stylesheet analysis tool
Project Wallace CSS Analyzer - Analytics for CSS, part of Project Wallace
sass-lint - A Node-only Sass linter for both sass and scss syntax.
scsslint - Linter for SCSS files
Specificity Graph - CSS Specificity Graph Generator
Stylelint - Linter for SCSS/CSS files

Gherkin

gherkin-lint - A linter for the Gherkin-Syntax written in Javascript.

HTML

HTML Inspector - HTML Inspector is a code quality tool to help you and your team write better markup.
HTML Tidy - Corrects and cleans up HTML and XML documents by fixing markup errors and upgrading legacy code to modern standards.
HTMLHint - A Static Code Analysis Tool for HTML
Polymer-analyzer - A static analysis framework for Web Components.

IDE Plugins

ale - Asynchronous Lint Engine for Vim and NeoVim with support for many languages
Attackflow Extension ©️ - Attackflow plugin for Visual Studio, which enables developers to find critical security bugs at real time in the source code without any prior knowledge.
DevSkim - Inline, realtime security analysis. Works with multiple programming languages and IDEs (VS, VS Code, Sublime Text, ...).
Puma Scan - Puma Scan provides real time secure code analysis for common vulnerabilities (XSS, SQLi, CSRF, LDAPi, crypto, deserialization, etc.) as development teams write code in Visual Studio.
Security Code Scan - Security code analyzer for C# and VB.NET that integrates into Visual Studio 2015 and newer. Detects various security vulnerability patterns: SQLi, XSS, CSRF, XXE, Open Redirect, etc.
vint - Fast and Highly Extensible Vim script Language Lint implemented by Python.

LaTeX

ChkTeX - A linter for LaTex which catches some typographic errors LaTeX oversees.
lacheck - A tool for finding common mistakes in LaTeX documents.

Makefiles

portlint - A verifier for FreeBSD and DragonFlyBSD port directories.

Markdown

markdownlint - Node.js -based style checker and lint tool for Markdown/CommonMark files.
mdl - A tool to check Markdown files and flag style issues.

Mobile

android-lint-summary - Combines lint errors of multiple projects into one output, check lint results of multiple sub-projects at once.
FlowDroid - static taint analysis tool for Android applications
paprika - A toolkit to detect some code smells in analyzed Android applications.
qark - Tool to look for several security related Android application vulnerabilities

Packages

lintian - Static analysis tool for Debian packages
rpmlint - Tool for checking common errors in rpm packages

Supporting Tools

LibVCS4j - A Java library that allows existing tools to analyse the evolution of software systems by providing a common API for different version control systems and issue trackers.
Violations Lib - Java library for parsing report files from static code analysis. Used by a bunch of Jenkins, Maven and Gradle plugins.

Template-Languages

ember-template-lint - Linter for Ember or Handlebars templates.
haml-lint - Tool for writing clean and consistent HAML
slim-lint - Configurable tool for analyzing Slim templates
yamllint - Checks YAML files for syntax validity, key repetition and cosmetic problems such as lines length, trailing spaces, and indentation.

Translation

dennis - A set of utilities for working with PO files to ease development and improve quality.

Writing

After the Deadline ⚠️ - spell, style and grammar checker
codespell - check code for common misspellings
languagetool - Style and grammar checker for 25+ languages. It finds many errors that a simple spell checker cannot detect.
misspell-fixer - Quick tool for fixing common misspellings, typos in source code
Misspelled Words In Context - a spell-checker that groups possible misspellings and shows them in their contexts
proselint - a linter for English prose with a focus on writing style instead of grammar.
vale - A customizable, syntax-aware linter for prose.
write-good - A linter with a focus on eliminating "weasel words".

Web services

CodeFlow ©️ - Automated code analysis tool to deal with technical depth. Integrates with Bitbucket and Gitlab. (free for Open Source Projects)
Gamma ©️ - An intelligent software analytics platform that identifies issues from multiple lenses: Design issues, code issues, duplication and metrics. Available for Java, C, C++ and C#.
Layered Insight ©️ - Container native application protection to provide visibility and control of containerized applications.
LGTM.com ©️ - Deep code analysis for GitHub and Bitbucket to find security vulnerabilities and critical code quality issues (using Semmle QL). Automatic code review for pull requests; free for public repositories.
QuantifiedCode - Automated code review & repair
SonarCloud ©️ - Multilanguage cloud-based static code analysis. History, trends, security hot-spots, pull request analysis and more. Free for open source.
Teamscale ©️ - Static and dynamic analysis tool supporting more than 25 languages and direct IDE integration. Free hosting for Open Source projects available on request. Free academic licenses available.

More collections

go-tools - A collection of tools and libraries for working with Go code, including linters and static analysis
linters - An introduction to static code analysis
php-static-analysis-tools - A reviewed list of useful PHP static analysis tools
Tools for C/C++ - A list of static analysis tools for C/C++
Wikipedia - A list of tools for static code analysis.

License

To the extent possible under law, Matthias Endler has waived all copyright and related or neighboring rights to this work. Title image Designed by Freepik.

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CONTRIBUTING.md		CONTRIBUTING.md
Makefile		Makefile
README.md		README.md
awesome.png		awesome.png
awesome.svg		awesome.svg
mkdocs.yml		mkdocs.yml

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Table of Contents

Programming Languages

Abap

Ada

Awk

C/C++

C#

Crystal

Dlang

Elixir

Erlang

F#

Fortran

Go

Groovy

Haskell

Haxe

Java

JavaScript

Kotlin

Lua

MATLAB

Perl

PHP

Python

Python wrappers

R

RPG

Ruby

Rust

Scala

Shell

Solidity

SQL

Swift

TypeScript

VBScript

Multiple languages

Other

Build tools

Binaries

Containers

Config Files

Configuration Management

CSS

Gherkin

HTML

IDE Plugins

LaTeX

Makefiles

Markdown

Mobile

Packages

Supporting Tools

Template-Languages

Translation

Writing

Web services

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