Godot Engine – Multi-platform 2D and 3D game engine

The new Windows Terminal and the original Windows console host, all in the same place!

Open Source Computer Vision Library

Tesseract Open Source OCR Engine (main repository)

Protocol Buffers - Google's data interchange format

The Swift Programming Language

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

Hyprland is an independent, highly customizable, dynamic tiling Wayland compositor that doesn't sacrifice on its looks.

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

The Serenity Operating System 🐞

Windows Subsystem for Linux

Windows Calculator: A simple yet powerful calculator that ships with Windows

An open-source C++ library developed and used at Facebook.

Compatibility tool for Steam Play based on Wine and additional components

Emscripten: An LLVM-to-WebAssembly Compiler

WinGet is the Windows Package Manager. This project includes a CLI (Command Line Interface), PowerShell modules, and a COM (Component Object Model) API (Application Programming Interface).

Official home of the DB Browser for SQLite (DB4S) project. Previously known as "SQLite Database Browser" and "Database Browser for SQLite". Website at:

Karabiner-Elements is a powerful tool for customizing keyboards on macOS

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

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

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.…

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.

DOOM Open Source Release

Atmosphère is a work-in-progress customized firmware for the Nintendo Switch.

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

Vulkan-based implementation of D3D8, 9, 10 and 11 for Linux / Wine

FoundationDB - the open source, distributed, transactional key-value store

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Dolphin is a GameCube / Wii emulator, allowing you to play games for these two platforms on PC with improvements.