A framework for building native applications using React

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

The Swift Programming Language

Tesseract Open Source OCR Engine (main repository)

The Serenity Operating System 🐞

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

SQL powered operating system instrumentation, monitoring, and analytics.

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

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.…

Simple, secure & standards compliant web server for the most demanding of applications

Yoga is an embeddable layout engine targeting web standards.

ESP8266 core for Arduino

UPX - the Ultimate Packer for eXecutables

Convert HTML to PDF using Webkit (QtWebKit)

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

Nix, the purely functional package manager

Cap'n Proto serialization/RPC system - core tools and C++ library

Deskflow lets you share one mouse and keyboard between multiple computers on Windows, macOS and Linux.

Apache Thrift

🍃 Organic Maps is a free Android & iOS offline maps app for travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by MapsWithMe (MapsMe) fou…

ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.

📟 JSON library for Arduino and embedded C++. Simple and efficient.

ESP8266 WiFi Connection manager with web captive portal

A fast compressor/decompressor

iOS & tvOS multi-emulator frontend, supporting various Atari, Bandai, NEC, Nintendo, Sega, SNK and Sony console systems… Get Started: https://wiki.provenance-emu.com |

Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.

A bittorrent filesystem based on FUSE.

Remote-control of OBS Studio through WebSocket

A C++ vectorized database acceleration library aimed to optimizing query engines and data processing systems.