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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 240k 49.6k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 124k 24.9k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 62.1k 9.5k

  4. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.5k 3.1k

  5. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 25.8k 2.3k

  6. lexical lexical Public

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

    TypeScript 22.3k 2k

Repositories

Showing 10 of 153 repositories
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 3,851 MIT 159 318 (16 issues need help) 11 Updated Oct 13, 2025
  • opaque-ke Public

    An implementation of the OPAQUE password-authenticated key exchange protocol

    facebook/opaque-ke’s past year of commit activity
    Rust 352 Apache-2.0 54 0 2 Updated Oct 13, 2025
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,103 Apache-2.0 301 256 33 Updated Oct 13, 2025
  • igl Public

    Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).

    facebook/igl’s past year of commit activity
    C++ 3,132 198 4 0 Updated Oct 13, 2025
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,579 GPL-2.0 321 221 (4 issues need help) 45 Updated Oct 13, 2025
  • react Public

    The library for web and native user interfaces.

    facebook/react’s past year of commit activity
    JavaScript 239,744 MIT 49,583 803 (1 issue needs help) 229 Updated Oct 13, 2025
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,509 3,060 407 97 Updated Oct 13, 2025
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 29,945 Apache-2.0 5,786 301 111 Updated Oct 13, 2025
  • fb303 Public

    fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.

    facebook/fb303’s past year of commit activity
    C++ 84 Apache-2.0 60 6 12 Updated Oct 13, 2025
  • mvfst Public

    An implementation of the QUIC transport protocol.

    facebook/mvfst’s past year of commit activity
    C++ 1,598 MIT 274 35 6 Updated Oct 13, 2025