Top KOTLIN GitHub Repositories & Tools (2026)

🌸 The Cutest Music Player With Support Local File and Youtube Music for Android!

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

Lightweight, modern cross-platform client for PikPak powered by pikpak-kotlin. (Android & Windows Desktop)

A cross-platform music app using YouTube Music for backend

NobodyWho is an inference engine that lets you run LLMs locally and efficiently on any device.

Open-source mobile SSH/Mosh terminal and native AI workspace for Android and iOS.

Free implementation of Play Services

Open-source BYOK AI agent for Android. Full phone control, native Shell & Python 3, with Skills and MCP support. Built with Material 3 Expressive. Works via Shizuku (root optional). Bring any provider: OpenRouter, Ollma, and more.

An Android app to remap the buttons on your devices

🦞 Compose Multiplatform image cropper for Android, iOS, desktop, and the web.

📱 Nextcloud Android app

An open-source keyboard for Android which respects your privacy. Currently in beta.

Open-source, multi-platform harness for AI agents - a native, multi-threaded operator's console (JVM, not Electron) to run Claude Code, Codex, Gemini or OpenCode with a real browser, terminal, editor, secrets & 100+ MCP tools. Built for enterprises, science & research.

Bitwarden mobile apps (Password Manager and Authenticator) for Android.

📱 Now in Android KMP is a full Kotlin Multiplatform port of Google's Now in Android sample.

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

PlayStation 2 emulator for Android with a PCSX2-based core adapted by EmuCoreX, a modern game library, live overlay controls, and a handheld-focused experience.

Fud AI — free & open-source AI calorie & workout tracker for iOS and Android. Privacy-first, local-first, bring your own key.

A native Android app that aggregates third-party app stores into one catalogue. Search across all of them at once, compare what each publishes for the same app, download and install APKs from the store you pick, and keep what you installed up to date.

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