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 V2Ray client for Android, support Xray core and v2fly core

Legado 3.0 Book Reader with powerful controls & full functions❤️阅读3.0, 阅读是一款可以自定义来源阅读网络内容的工具，为广大网络文学爱好者提供一种方便、快捷舒适的试读体验。

A memory leak detection library for Android.

A private messenger for Android.

Official Jetpack Compose samples.

🦭 Video/Audio Downloader for Android, based on yt-dlp

The Google I/O Android App

😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.

A fully functional Android app built entirely with Kotlin and Jetpack Compose

A powerful image downloading and caching library for Android

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

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

Using system APIs directly with adb/root privileges from normal apps through a Java process started with app_process.

NekoBox for Android / sing-box / universal proxy toolchain for Android

Free and open source manga reader for Android

Pleasant Android application development

A gallery that showcases on-device ML/GenAI use cases and allows people to try and use models locally.

Framework for quickly creating connected applications in Kotlin with minimal effort

A Kernel based root solution for Android

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.

Image loading for Android and Compose Multiplatform.

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

An alternative frontend for YouTube, for Android.

AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.

A modern JSON library for Kotlin and Java.