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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 242k 50.4k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 125k 25k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 63.4k 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 26.4k 2.4k

  6. lexical lexical Public

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

    TypeScript 22.8k 2.1k

Repositories

Showing 10 of 159 repositories
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,190 MIT 245 405 (20 issues need help) 64 Updated Jan 13, 2026
  • CacheLib Public

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

    facebook/CacheLib’s past year of commit activity
    C++ 1,488 Apache-2.0 314 15 24 Updated Jan 13, 2026
  • relay Public

    Relay is a JavaScript framework for building data-driven React applications.

    facebook/relay’s past year of commit activity
    Rust 18,921 MIT 1,877 619 (11 issues need help) 172 Updated Jan 13, 2026
  • metro Public

    🚇 The JavaScript bundler for React Native

    facebook/metro’s past year of commit activity
    JavaScript 5,546 MIT 674 360 63 Updated Jan 13, 2026
  • react-native Public

    A framework for building native applications using React

    facebook/react-native’s past year of commit activity
    C++ 125,046 MIT 25,047 720 (26 issues need help) 430 Updated Jan 13, 2026
  • lexical Public

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

    facebook/lexical’s past year of commit activity
    TypeScript 22,771 MIT 2,067 536 (17 issues need help) 37 Updated Jan 13, 2026
  • flow Public

    Adds static typing to JavaScript to improve developer productivity and code quality.

    facebook/flow’s past year of commit activity
    OCaml 22,209 MIT 1,886 603 (2 issues need help) 15 Updated Jan 13, 2026
  • mvfst Public

    An implementation of the QUIC transport protocol.

    facebook/mvfst’s past year of commit activity
    C++ 1,629 MIT 277 39 6 Updated Jan 13, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,219 Apache-2.0 320 275 50 Updated Jan 13, 2026
  • fresco Public

    An Android library for managing images and the memory they use.

    facebook/fresco’s past year of commit activity
    Java 17,146 MIT 3,755 244 (39 issues need help) 13 Updated Jan 12, 2026