An Open Source Machine Learning Framework for Everyone

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

Tesseract Open Source OCR Engine (main repository)

Protocol Buffers - Google's data interchange format

GoogleTest - Google Testing and Mocking Framework

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

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

Yoga is an embeddable layout engine targeting web standards.

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

Official Transmission BitTorrent client repository

Convert HTML to PDF using Webkit (QtWebKit)

Flexible level editor

Code. Music. Live.

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.

HarfBuzz text shaping engine

Cinder is a community-developed, free and open source library for professional-quality creative coding in C++.

nghttp2 - HTTP/2 C Library and tools

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

a cross-platform, terminal-based music player, audio engine, metadata indexer, and server in c++

Compiler for Neural Network hardware accelerators

Goxel: Free and Open Source 3D Voxel Editor

Mirror kept for legacy. Moved to https://github.com/llvm/llvm-project

MITIE: library and tools for information extraction

EPI Judge - Preview Release

Beef Programming Language

MailCore 2 provide a simple and asynchronous API to work with e-mail protocols IMAP, POP and SMTP. The API has been redesigned from ground up.

The compiler is available for download. Get it!

Polycode is a cross-platform framework for creative code.