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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 243k 50.6k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 125k 25.1k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 63.8k 9.7k

  4. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.6k 3.1k

  5. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 26.6k 2.4k

  6. lexical lexical Public

    Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

    TypeScript 22.9k 2.1k

Repositories

Showing 10 of 162 repositories
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,602 3,074 409 108 Updated Feb 14, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,337 MIT 270 363 (28 issues need help) 58 Updated Feb 14, 2026
  • CacheLib Public

    Pluggable in-process caching engine to build and scale high performance services

    facebook/CacheLib’s past year of commit activity
    C++ 1,497 Apache-2.0 315 15 30 Updated Feb 14, 2026
  • react-native-website Public

    The React Native website and docs

    facebook/react-native-website’s past year of commit activity
    TypeScript 2,102 MIT 5,821 11 98 Updated Feb 14, 2026
  • sapp Public

    Post Processor for Facebook Static Analysis Tools.

    facebook/sapp’s past year of commit activity
    Python 140 MIT 46 8 13 Updated Feb 14, 2026
  • Rapid Public

    The OpenStreetMap editor driven by open data, AI, and supercharged features

    facebook/Rapid’s past year of commit activity
    JavaScript 615 ISC 118 295 7 Updated Feb 14, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 955 377 25 133 Updated Feb 14, 2026
  • openzl Public

    A novel data compression framework

    facebook/openzl’s past year of commit activity
    C 2,918 132 37 43 Updated Feb 14, 2026
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 30,253 Apache-2.0 5,847 310 135 Updated Feb 14, 2026
  • react-native Public

    A framework for building native applications using React

    facebook/react-native’s past year of commit activity
    C++ 125,352 MIT 25,087 738 (26 issues need help) 449 Updated Feb 14, 2026
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