Kotlin GitHub Repositories (2026) · Open Source Tools

Secure Reliable Transport (SRT) Protocol for Android

Enable users to store their expense & incomes and keep track of their finances.

Routing feature for Compose Web, Compose HTML and Desktop

Some helper functions and shared resources used by the Fossify apps.

Embrace's Android SDK built on OpenTelemetry

Mediator implementation in Kotlin with native coroutine support

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.

Shuttle Music: a music player for Android and iOS. Plays local files and streams from Jellyfin, Emby, Plex and Navidrome/Subsonic, with Chromecast, Android Auto, EQ and replay gain.

Read, edit, and share plain text and Markdown.

Kotlin testing made easy, everywhere.

Server for executing kotlin code

JNI Bind is a set of advanced syntactic sugar for writing efficient correct JNI Code in C++20 and up (or C++17 with clang).

Material Photo Widget is as simple as it can be: an Android home screen widget to display your favorite photos. It is a free, no-ads, open source alternative for people who want to customize their home screen.

Mobile app for Pixelfed and Vernissage

A paper library for creating custom inventory-based GUIs.

Ahead of Time Data Repositories

📸 A convenient Android gallery for your PhotoPrism library with plenty of useful features

MedTimer Android app

Advance wallpaper manager app for Android with cool glassmorphic UI, tags, auto wallpaper, custom effects and multiple folder support and a native live wallpaper picker.

Private and on-device speech recognition keyboard and service for Android.