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Jul 14, 2020

Awesome Kotlin


A curated list of awesome Kotlin frameworks, libraries, documents and other resources.



  • Alpas - The rapid and delightful Kotlin web framework
  • Valiktor - Valiktor is a type-safe, powerful and extensible fluent DSL to validate objects in Kotlin.
  • Konform - Konform is a type-safe, multiplatform kotlin object validator with fluent dsl.
  • FlexboxLayout - FlexboxLayout is a library project which brings the similar capabilities of CSS Flexible Box Layout Module to Android.
  • Anko - Anko is a library which makes Android application development faster and easier.
  • kotlinx.coroutines - Library support for Kotlin coroutines.
  • RxDownload - A multi-threaded download tool written with RxJava and Kotlin.
  • ActivityStarter - Android Library that provide simpler way to start the Activities with multiple arguments.
  • SQLDelight - Generates Java models from CREATE TABLE statements.
  • RxKotlin - Kotlin Adaptor for RxJava
  • SuperSLiM - A layout manager for the RecyclerView
  • Kotlin/Native - a LLVM backend for the Kotlin compiler
  • Bubble-Picker - An easy-to-use animation which can be used for content picking for Android
  • ktor - Kotlin Web backend framework.
  • KBinding - Android MVVM framework write in kotlin.
  • TornadoFX - Lightweight JavaFX Framework for Kotlin
  • KotlinPreferencesObject - Kotlin Android Library, that makes preference usage in Kotlin simple and fun, using single object with fields binded to SharedPreferences.
  • Kotter Knife - View "injection" library for Android.
  • Koi - A lightweight kotlin library for Android, including many useful extensions, async functions and quick adapter.
  • Wasabi - An HTTP Framework
  • Kara Web Framework - Kara is a web framework for the JVM written in Kotlin.
  • Kovenant - Promises for Kotlin
  • KAndroid - Kotlin library for Android providing useful extensions to eliminate boilerplate code
  • KAConf - KickAss Configuration. An annotation-based configuration system for Java and Kotlin
  • Stateful - Stateful helps you delete all the boilerplate code for saving instance state and lets you forget about saving and restoring your fragment's/activity's state.
  • Fuel - The easiest HTTP networking library for Kotlin/Android.
  • funKTionale - Functional constructs and patterns for Kotlin
  • Kotson - Gson for Kotlin, Kotson enables you to parse and write JSON with Google's Gson using a conciser and easier syntax.
  • Kwery - Kwery is an SQL library for Kotlin.
  • kotlin-core and its related reposiories - A full framework for making Android apps. Based on Anko and Kotson.
  • Kotlin NoSQL - Kotlin NoSQL is a reactive and type-safe DSL for working with NoSQL databases.
  • shadow - Android custom shadow view, can replace your CardView.
  • Exposed - Exposed is a prototype for a lightweight SQL library written over JDBC driver for Kotlin language.
  • Klaxon - Klaxon is a lightweight library to parse JSON in Kotlin.
  • Kobalt - Kobalt is a modern and versatile build system.
  • Debug Bottle - Debug Bottle is an Android runtime debug / develop tools written using kotlin language.
  • jackson-module-kotlin - Module that adds support for serialization/deserialization of Kotlin classes and data classes.
  • Kodein - Kodein: Kotlin Dependency Injection
  • KBuilders - KBuilders turns your Java builders into beautiful Type-Safe Builders.
  • Result - This is a tiny framework for modelling success/failure of operations in Kotlin.
  • Spek - A Specification Framework for Kotlin
  • Klutter - Library of many small useful things
  • Kovert - an invisible, super easy and powerful REST and Web framework overt Vert.x or Undertow
  • Injekt - native Kotlin dependency injection (object registry style)
  • Solr-Undertow - standalone high perforamnce, simple Solr server. Embeddeable as a library.
  • Gradle Kotlin DSL - Kotlin language support for Gradle build scripts.
  • Kotgo - An android development framework on kotlin using MVP architecture.
  • KillerTask - Android AsyncTask wrapper library, written in Kotlin
  • Bansa - A state container for Kotlin & Java, inspired by Elm & Redux
  • Kotest - A kotlin test framework formerly known as Kotlintest
  • kotlin.logging - A logging framework for Kotlin
  • Kotlin User Onboarding - A simple and customizable android onboarding library written in Kotlin matching Material Guidelines.
  • KotlinDiscreteMathToolkit - Set of extensions for Kotlin that provides Discrete math functionalities.
  • Mystique - A generalized adapter for RecyclerView on Android which makes it easy to add heterogeneous items to a list
  • Vaadin-On-Kotlin - A simple way to write full-stack component-oriented web apps
  • Properlty - Simple configuration library with placeholders resolution and zero magic!
  • NoiseView - Android library written in kotlin that add noise effect to image.
  • GAnalytics - A tiny api layer for any analytics in application
  • PreferenceHolder - Library that is making SharedPreference usage in Kotlin simple and fun.
  • LastAdapter - Don't write a RecyclerView adapter again. Not even a ViewHolder!
  • FerrisWheelView - Simple android library to present an animated ferris wheel.
  • kotlin-result - A Result monad for modelling success or failure operations, inspired by Rust, Elm, Haskell & Scala.
  • Kotlin-Gremlin-OGM - A type-safe object/graph mapping framework for Gremlin enabled graph databases.
  • DynamoDB-utils - Collection of AWS DynamoDB utility functions. Query DSL, table cloner and batch writer.
  • KBus - Dead simple EventBus for Android made with Kotlin and RxJava 2.
  • AndroidCoroutineScopes - This lib implements the most common CoroutineScopes used in Android apps.
  • Gradients - A curated collection of splendid gradients
  • Kanary - A minimalist web framework for building REST APIs in Kotlin/Java.
  • Kissme - Kissme is a multiplatform library providing encrypted key-value storage.
  • Arrow - Arrow is a functional companion to Kotlin's Standard Library around many of Kotlin's pain points.
  • Hoplite - Purely functional config library
  • kotlin-compile-testing - A library for testing Kotlin and Java annotation processors, compiler plugins and code generation
  • koin - A pragmatic lightweight dependency injection framework for Kotlin developers. Written in pure Kotlin, using functional resolution only: no proxy, no code generation, no reflection.
  • firebase-kotlin-sdk - A Kotlin-first Multiplatform SDK for Firebase supporting iOS, Android & Web.
  • graphql-kotlin-toolkit - GraphQL toolkit for Kotlin (includes code generator and spring boot integration)
  • MobileUI - Cross-platform framework for developing mobile apps (iOS, Android) with native UI in Java and Kotlin.






  • Kotlin for Android Developers - This book is not meant to be a language reference, but a tool for Android developers to learn Kotlin and be able to continue with their own projects by themselves.
  • Kotlin in Action (MEAP) - Kotlin in Action takes experienced Java developers from the language basics all the way through building applications to run on the JVM and Android devices.
  • Programming Kotlin - Programming Kotlin is aimed at Java developers who want to make the transition to Kotlin. It covers the complete Kotlin language from basic sytax through to concurrency and testing.
  • Modern Web Development with Kotlin - Modern Web Development with Kotlin is a book by Denis Kalinin about Web development with Kotlin.
  • Fundamental Kotlin - Fundamental Kotlin is a book focused on Kotlin programming language and its comparison to Java.
  • Effective Kotlin - Effective Kotlin summarizes the best practices and experiences of the Kotlin community, together with a deep explanation of some lesser-known Kotlin functionalities. All of the best practices are presented as simple rules with detailed explanations.
  • Kotlin Blueprints - a practical guide to help build industry grade web applications (Spring Boot, JavaScript, Node.js), Android, Desktop application using TornadoFX. It also includes building an application with Kotlin Native. It shows how to leverage features of Kotlin in the respective technologies. This book is for developers who already know Kotlin and want to build something using Kotlin for Web/Android/Desktop/Native


  • sonarlint-intellij - An IDE extension that helps you detect and fix quality issues as you write code.
  • IntelliJ IDEA 15 - The best Kotlin IDE, support Java, Groovy, Scala and Android development.
  • dokka - Dokka is a documentation engine for Kotlin, performing the same function as javadoc for Java.
  • kotlin-vim - Kotlin plugin for Vim. Featuring syntax highlighting and basic indentation
  • kotlin-sublime-package - Sublime Text 2 Package for Kotlin Programming Language
  • language-kotlin - Kotlin language support in Atom
  • kotlin-plugin-eclipse - The Kotlin Plugin for Eclipse helps you write, run, debug and test programs in Kotlin language.
  • android-parcelable-intellij-plugin-kotlin - Plugin which generates Android Parcelable boilerplate code in Intellji/Android Studio.
  • CodeGlance - Intelij IDEA plugin for displaying a code mini-map similar to the one found in Sublime.
  • kscript - Enhanced scripting support for Kotlin on *nix-based systems.
  • detekt - Static code analysis for Kotlin.
  • detekt-hint - Detection of design principle violations as a plugin to detekt.






A curated list of awesome Kotlin frameworks, libraries, documents and other resources




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