Kotlin GitHub Repositories (2026) · Open Source Tools

An on-device AI agent for Android that operates apps and the web to get things done for you.

A cross-platform music app using YouTube Music for backend

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

Made for listening, not logging in. Levyra is an open-source music player for Android and Windows, bringing music discovery, synced lyrics, radio and beautiful artwork together. No ads, no tracking, just music ♫

Simple Android YouTube Music client with Material UI, Liquid Glass, Bit-Perfect playback, Automix, Lossless addons & advanced audiophile features.

Your Spotify + YouTube Music library & daily mixes. Free and open source forever.

Free implementation of Play Services

YouTube Music client for Android

Browse media content with your own rules on Android TV

Real streets. Game worlds. Native Android navigation with 27 game-inspired maps, sensor-assisted guidance and verified in-app updates.

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

🎵 Hybrid music client for Android: Spotify discovery & UI + YouTube Music library + Hi-Res Lossless (FLAC) streaming with fluid Glassmorphism💫

A modern, privacy-first Android keyboard: offline intelligence, 600+ languages, themes, tools and an addon ecosystem.

Shizuku+ brings Root/ADB/Dhizuku unification, a Plus API suite, OneUI/Android 16+ support, M3E theming, TCP connectivity, improved customization, & more.

A private YouTube client: self-hosted web version (one docker compose) and native apps for Android, Windows, macOS, Linux and iPad/iPhone. No Google account, no tracking. Not affiliated with YouTube or Google.

Open-source Android PDF and document toolkit with PDF tools, Office viewing, XLSX editing, scanning, and image editing. Built with Kotlin and Jetpack Compose.

Free, open-source YouTube Music client for Android: word-by-word lyrics, on-device mixes, karaoke, a DJ mode, Replay and Android Auto. No ads, no tracking.

An IDE for building Android applicatons on Android.

A fast, open-source download manager for every device you own.

Liquid Glass for the Android View system — real SDF refraction, physical dispersion, sensor-driven specular. Drop into existing XML layouts, no Compose required. API 24+