Build cross-platform desktop apps with JavaScript, HTML, and CSS

Protocol Buffers - Google's data interchange format

The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

A library that provides an embeddable, persistent key-value store for fast storage.

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

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

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 f…

A virtual machine for executing programs written in Hack.

Deskflow lets you share one mouse and keyboard between multiple computers on Windows, macOS and Linux. It's like a software KVM (but without video).

Watches files and records, or triggers actions, when they change.

Mobile Shell

Hazel Engine

Simple and Fast Multimedia Library

RenderDoc is a stand-alone graphics debugging tool.

Conversion between Traditional and Simplified Chinese

Xbox 360 Emulator Research Project

Run .NET and Node.js code in-process on Windows, MacOS, and Linux

nghttp2 - HTTP/2 C Library and tools

A C/C++ implementation of a Sass compiler

The 2013 edition of the Source SDK

Dagor Engine and Tools source code from Gaijin Games KFT

Open Source codebase of the game Overgrowth by Wolfire Games LLC

Local AI API Platform

[ARCHIVED] Modern reimplementation of the Diablo 1 game engine

Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software

Direct3D to OpenGL abstraction layer

OpenRW "Open ReWrite" is an un-official open source recreation of the classic Grand Theft Auto III game executable

High performance physically based renderer in C++11

Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses