Kotlin GitHub Repositories (2026) · Open Source Tools

An advanced, open-source client for WireGuard and AmneziaWG on Android.

Subsonic music streaming app for Android

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

Wireless CarPlay in your browser — a server-side receiver that turns any screen on your network into a head unit.

An Android app for searching torrents across multiple providers with fast search speed, detailed results, and packed with complete torrent actions.

An Android native video player

Free implementation of Play Services

Clean, fast, and Material-driven Android music player with powerful features.

Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/

A multi-platform document and e-book reader.

The open source Solver AI for Java and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

Cross platform application for controlling settings of Soundcore headphones, earbuds, and speakers. Supports desktop (CLI and GUI) and Android.

The (official) Music Assistant Mobile app is a cross-platform client application designed for Android and iOS. Developed using Kotlin Multiplatform (KMP) and Compose Multiplatform frameworks, this project aims to provide a unified codebase for seamless music management across multiple platforms.

Keep your code spotless

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

An Android app that uses your phone's sensors to assist with wilderness treks or survival situations.

Minimalistic audiobook player

Home Assistant Companion for Android

Cross-platform on-device AI toolkit

Third party open source Android Spotify client with Material 3 using librespot Rust