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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 244k 50.9k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 126k 25.1k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 64.3k 9.8k

  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 26.9k 2.4k

  6. lexical lexical Public

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

    TypeScript 23.2k 2.1k

Repositories

Showing 10 of 165 repositories
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,612 3,078 408 118 Updated Mar 27, 2026
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 30,299 Apache-2.0 5,858 309 125 Updated Mar 27, 2026
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,685 Apache-2.0 633 45 4 Updated Mar 27, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,515 MIT 293 395 (22 issues need help) 98 Updated Mar 27, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 960 379 25 109 Updated Mar 27, 2026
  • mvfst Public

    An implementation of the QUIC transport protocol.

    facebook/mvfst’s past year of commit activity
    C++ 1,639 MIT 284 42 9 Updated Mar 27, 2026
  • flow Public

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

    facebook/flow’s past year of commit activity
    Rust 22,210 MIT 1,884 598 (2 issues need help) 18 Updated Mar 27, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,292 Apache-2.0 335 288 77 Updated Mar 27, 2026
  • redex Public

    A bytecode optimizer for Android apps

    facebook/redex’s past year of commit activity
    C++ 6,282 MIT 679 56 (2 issues need help) 16 Updated Mar 27, 2026
  • buck2-prelude Public

    Prelude for the Buck2 project

    facebook/buck2-prelude’s past year of commit activity
    Starlark 64 Apache-2.0 59 1 1 Updated Mar 27, 2026