The Kotlin Programming Language.

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

A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.

A memory leak detection library for Android.

The Google I/O Android App

Flexbox for Android

A gardening app illustrating Android development best practices with migrating a View-based app to Jetpack Compose.

An Android app which provides design news & inspiration as well as being an example of implementing material design.

Pleasant Android application development

Framework for quickly creating connected applications in Kotlin with minimal effort

Library support for Kotlin coroutines

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

The flexible, easy to use, all in one drawer library for your Android project. Now brand new with material 2 design.

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

A logger with a small, extensible API which provides utility on top of Android's normal Log class.

RxJava binding APIs for Android's UI widgets.

Kotlin SQL Framework

A modern I/O library for Android, Java, and Kotlin Multiplatform.

Demos the new Android Design library.

Kotlin/Native infrastructure

Tivi is a TV show tracking Android app, which connects to trakt.tv

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

mocking library for Kotlin

A fun to play quiz that showcases material design on Android

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

The easiest HTTP networking library for Kotlin/Android

Lightweight JavaFX Framework for Kotlin

Painless Kotlin Dependency Injection

🚀 Plugin for Android Studio And IntelliJ Idea to generate Kotlin data class code from JSON text ( Json to Kotlin )