Kotlin GitHub Repositories (2026) · Open Source Tools

A modern, privacy-first Android keyboard: offline intelligence, 350+ languages, themes, tools and an addon ecosystem.

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

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

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

Wireless and USB Android Auto receiver for BYD DiLink. No extra phone app or dongle.

Free and open source manga reader for Android

Screenshot testing for Compose Multiplatform and Android previews. One annotation, no test code, no emulator

A cross-platform music app using YouTube Music for backend

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

⚡ A modern, fast Android VPN client — encrypted .arasc config sharing, Smart Connect, subscription traffic & announcements

Discover and replace proprietary apps with FOSS alternatives

Launch any app or trigger quick actions from the status bar or anywhere on your screen.

Essential tools and mods for Android nerds

No-root Android + ESP32 Wi-Fi/BLE security testing toolkit. Deauth, captive portal, packet capture, BLE HID, and defense/detection modules, controlled over USB-OTG, no custom kernel or external adapter required.

An IDE for building Android applicatons on Android.

Media Gallery app for Android made with Jetpack Compose

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

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

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

FeedFlow is a minimalistic RSS Reader available on Android, iOS, macOS, Windows and Linux. Built with Kotlin Multiplatform, Jetpack Compose and SwiftUI.