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Desktop/Android/HTML5/iOS Java game development framework

Universal LLM Deployment Engine with ML Compilation

Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.

This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

Video players (IJKplayer, ExoPlayer, MediaPlayer), HTTPS, 16k page size, danmaku (bullet chat) support, external subtitles, support for filters, watermarks, and GIF screenshots, pre-roll and mid-roll ads, multiple simultaneous playback, basic seeking/dragging, volume and brightness adjustment, play-while-cache support

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

Open-source speech recognition toolkit for training, inference, streaming ASR, VAD, punctuation, speaker diarization pipelines, and OpenAI-compatible/MCP serving.

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

Get Android app updates straight from the source.

swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

WebRTC/RTSP/RTMP/HTTP/HLS/HTTP-FLV/WebSocket-FLV/HTTP-TS/HTTP-fMP4/WebSocket-TS/WebSocket-fMP4/GB28181/SRT/STUN/TURN server and client framework based on C++11

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Open-source VPN for speed, privacy, and censorship circumvention. Free to download on Android, iOS, Windows, macOS, and Linux.

MNN: A blazing-fast, lightweight inference engine battle-tested by Alibaba, powering high-performance on-device LLMs and Edge AI.

Official Transmission BitTorrent client repository

Painless E2E Automation for Mobile and Web

AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.

🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

A fully open source & end-to-end encrypted note taking alternative to Evernote.

A PSP emulator for Android, Windows, Mac, Linux and iOS, written in C++. Want to contribute? Join us on Discord at https://discord.gg/5NJB6dD or just send pull requests / issues.

Open Machine Learning Compiler Framework

Open source free capture HTTP(S) traffic software ProxyPin, supporting full platform systems

Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

The OWASP Mobile Application Security Testing Guide (MASTG) is a comprehensive manual for mobile app security testing and reverse engineering. It describes technical processes for verifying the OWASP Mobile Security Weakness Enumeration (MASWE) weaknesses, which are in alignment with the OWASP MASVS.

A free, secure and open source app for Android to manage your 2-step verification tokens.

Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

A cross-platform Markdown AI note-taking software.