The Kotlin Programming Language.

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

A private messenger for Android.

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.

A modern JSON library for Kotlin and Java.

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

Open-source Android/Desktop remake of Civ V

Kotlin SQL Framework

RxJava bindings for Kotlin

Kotlin multiplatform / multi-format serialization

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

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

Gradle plugin to create fat/uber JARs, apply file transforms, and relocate packages for applications and libraries. Gradle version of Maven's Shade plugin.

API documentation engine for Kotlin

Fcitx5 input method framework and engines ported to Android

KotlinX multiplatform date/time library

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

Kotlin DSL for HTML

Standalone audio sending node based on Lavaplayer.

Sample projects for Ktor

Kotlin multiplatform I/O library

A multiplatform Result monad for modelling success or failure operations.

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

Pure Kotlin implementation of a generic CLI parser.

Markdown parser written in kotlin

Annotations for JVM-based languages.

ktor project generator web page and IDEA plugin

A lightweight and stable Kotlin wrapper for the Discord API