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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 241k 50k

  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 62.8k 9.6k

  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 26.1k 2.3k

  6. lexical lexical Public

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

    TypeScript 22.6k 2.1k

Repositories

Showing 10 of 155 repositories
  • openzl Public

    A novel data compression framework

    facebook/openzl’s past year of commit activity
    C 2,772 110 32 (1 issue needs help) 25 Updated Dec 1, 2025
  • pyre-check Public

    Performant type-checking for python.

    facebook/pyre-check’s past year of commit activity
    OCaml 7,126 MIT 452 132 26 Updated Dec 1, 2025
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 4,843 MIT 211 398 (12 issues need help) 28 Updated Dec 1, 2025
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,551 3,066 408 110 Updated Nov 30, 2025
  • fbthrift Public

    Facebook's branch of Apache Thrift, including a new C++ server.

    facebook/fbthrift’s past year of commit activity
    C++ 2,668 Apache-2.0 624 44 5 Updated Nov 30, 2025
  • stylex Public

    StyleX is the styling system for ambitious user interfaces.

    facebook/stylex’s past year of commit activity
    JavaScript 8,944 MIT 360 70 (11 issues need help) 17 Updated Nov 30, 2025
  • flow Public

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

    facebook/flow’s past year of commit activity
    OCaml 22,200 MIT 1,882 610 (2 issues need help) 16 Updated Nov 30, 2025
  • watchman Public

    Watches files and records, or triggers actions, when they change.

    facebook/watchman’s past year of commit activity
    C++ 13,398 MIT 1,046 210 20 Updated Nov 30, 2025
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,634 GPL-2.0 326 226 (4 issues need help) 53 Updated Nov 30, 2025
  • mvfst Public

    An implementation of the QUIC transport protocol.

    facebook/mvfst’s past year of commit activity
    C++ 1,615 MIT 275 37 6 Updated Nov 30, 2025
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