The Kotlin Programming Language.

A meticulous HTTP client for the JVM, Android, and GraalVM.

A private messenger for Android.

The Google I/O Android App

Framework for quickly creating connected applications in Kotlin with minimal effort

Library support for Kotlin coroutines

A curated list of awesome Kotlin related stuff Inspired by awesome-java.

Open-source Android/Desktop remake of Civ V

A modern JSON library for Kotlin and Java.

Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform

Kotlin SQL Framework

RxJava bindings for Kotlin

Kotlin/Native infrastructure

⚠️ Fenix (Firefox for Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android

Development environment for Android Jetpack extension libraries under the androidx namespace. Synchronized with Android Jetpack's primary development branch on AOSP.

Kotlin multiplatform / multi-format serialization

Fcitx5 input method framework and engines ported to Android

Powerful, elegant and flexible test framework for Kotlin with assertions, property testing and data driven tests.

Gradle plugin for creating fat/uber JARs, transforming files, relocating packages, and optimizing with R8/ProGuard. The Gradle counterpart to Maven Shade Plugin.

API documentation engine for Kotlin

KotlinX multiplatform date/time library

A lightweight ORM framework for Kotlin with strong-typed SQL DSL and sequence APIs.

⚠️ Firefox Focus (Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android

Standalone audio sending node based on Lavaplayer.

Kotlin DSL for HTML

Sample projects for Ktor

Kotlin multiplatform I/O library

A program that reformats Kotlin source code to comply with the common community standard for Kotlin code conventions.

A multiplatform Result monad for modelling success or failure operations.

Markdown parser written in kotlin