Open Source Computer Vision Library

Tesseract Open Source OCR Engine (main repository)

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

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

An open source re-implementation of RollerCoaster Tycoon 2 🎢

A distributed, fast open-source graph database featuring horizontal scalability and high availability

qpdf: A content-preserving PDF document transformer

OpenTTD - http://www.openttd.org/ - with additional patches

simdjson_php bindings for the simdjson project. https://github.com/lemire/simdjson

The do-it-yourself (DIY) version of the Bleskomat Bitcoin Lightning ATM project.