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

Bitcoin Core integration/staging tree

Cross-platform, customizable ML solutions for live and streaming media.

🚀 Coroutine-based concurrency library for PHP

A virtual machine for executing programs written in Hack.

A Multithreaded Fork of Redis

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

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

Automatic PageSpeed optimization module for Nginx

A fast and scalable C++ library for implicit-feedback matrix factorization models