An Open Source Machine Learning Framework for Everyone

Protocol Buffers - Google's data interchange format

Tesseract Open Source OCR Engine (main repository)

ClickHouse® is a real-time analytics DBMS

A modern replacement for Redis and Memcached

An unidentifiable mechanism that helps you bypass GFW.

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX.

Utility to convert between various subscription format

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

Hippy is designed to easily build cross-platform dynamic apps. 👏

A fast compressor/decompressor

Scribe is a server for aggregating log data streamed in real time from a large number of servers.

Squid Web Proxy Cache

All-in-one solution for creating networked applications with RPC, pub/sub, server deployment, and more.

2D game development library for Ruby and C++

Open source hot backup tool for InnoDB and XtraDB databases