An Open Source Machine Learning Framework for Everyone

Open Source Computer Vision Library

Tesseract Open Source OCR Engine (main repository)

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

aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

GoogleTest - Google Testing and Mocking Framework

qBittorrent BitTorrent client

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

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

ncnn is a high-performance neural network inference framework optimized for the mobile platform

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

ESP8266 core for Arduino

waifu2xのCaffe版

bcrypt for NodeJs

Cartographer is a system that provides real-time simultaneous localization and mapping (SLAM) in 2D and 3D across multiple platforms and sensor configurations.

Crow is very fast and easy to use C++ micro web framework (inspired by Python Flask)

Industry-standard navigation-mesh toolset for games

Sigil is a multi-platform EPUB ebook editor

Asio C++ Library

The Paxos library implemented in C++ that has been used in the WeChat production environment.

Icarus Verilog

Reactive Extensions for C++

🔳 Geometrize is a desktop app that geometrizes images into geometric primitives

A Modern C++ Data Sciences Toolkit

C++ promise/A+ library in Javascript style.

CoolFormat Source Code Formatter

Automatically exported from code.google.com/p/poly2tri

Hessian Affine detector with SIFT descriptor, CMP implementation