The Kotlin Programming Language.

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

A V2Ray client for Android, support Xray core and v2fly core

Alibaba Java Coding Guidelines pmd implements and IDE plugin

Library support for Kotlin coroutines

Translation plugin for IntelliJ based IDEs/Android Studio.

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

A modern JSON library for Kotlin and Java.

Kotlin SQL Framework

A simple and modern Java and Kotlin web framework

RxJava bindings for Kotlin

Kotlin/Native infrastructure

Λrrow - The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming

Design Patterns implemented in Kotlin

mocking library for Kotlin

Kotlin multiplatform / multi-format serialization

The easiest HTTP networking library for Kotlin/Android

Java / JavaFX / Kotlin Game Library (Engine)

🌈Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco Studio/Fleet

A Kotlin API for generating .kt source files.

Samples builds using the Gradle Kotlin DSL

Lightweight JavaFX Framework for Kotlin

KotlinConf Schedule Application

🎓 Learning Kotlin Coroutines and Flows for Android by example. 🚀 Sample implementations for real-world Android use cases. 🛠 Unit tests included!

The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

A specification framework for Kotlin

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

Scripting enhancements for Kotlin

A Retrofit 2 adapter for Kotlin coroutine's Deferred type.

A Kotlin Multiplatform library for saving simple key-value data