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A declarative, efficient, and flexible JavaScript library for building user interfaces.
JavaScript 199k 41.4k
A framework for building native applications using React
JavaScript 107k 22.7k
Easy to maintain open source documentation websites.
TypeScript 40.5k 6.2k
A virtual machine for executing programs written in Hack.
C++ 17.5k 3k
Zstandard - Fast real-time compression algorithm
C 18.8k 1.8k
Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
JavaScript 12.5k 668
Performant type-checking for python.
Facebook Open Switching System Software for controlling network switches.
A Scalable, User-Friendly Source Control System.
A Python test framework
Yoga is a cross-platform layout engine which implements Flexbox. Follow https://twitter.com/yogalayout for updates.
A collection of C++ HTTP libraries including an easy to use HTTP server.
An open-source C++ library developed and used at Facebook.
