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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 237k 48.9k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 123k 24.7k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 60.7k 9.2k

  4. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.4k 3k

  5. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 25.2k 2.3k

  6. lexical lexical Public

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

    TypeScript 21.5k 1.9k

Repositories

Showing 10 of 149 repositories
  • Ax Public

    Adaptive Experimentation Platform

    facebook/Ax’s past year of commit activity
    Python 2,527 MIT 338 16 108 Updated Jul 8, 2025
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,423 3,041 409 93 Updated Jul 8, 2025
  • proxygen Public

    A collection of C++ HTTP libraries including an easy to use HTTP server.

    facebook/proxygen’s past year of commit activity
    C++ 8,258 1,520 20 4 Updated Jul 8, 2025
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 3,973 Apache-2.0 281 233 20 Updated Jul 8, 2025
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 29,546 Apache-2.0 5,720 289 102 Updated Jul 8, 2025
  • CacheLib Public

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

    facebook/CacheLib’s past year of commit activity
    C++ 1,369 Apache-2.0 291 15 24 Updated Jul 8, 2025
  • buck2-prelude Public

    Prelude for the Buck2 project

    facebook/buck2-prelude’s past year of commit activity
    Java 58 Apache-2.0 47 1 1 Updated Jul 8, 2025
  • hermes Public

    A JavaScript engine optimized for running React Native.

    facebook/hermes’s past year of commit activity
    C++ 10,363 MIT 692 120 63 Updated Jul 8, 2025
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,636 Apache-2.0 619 34 6 Updated Jul 8, 2025
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,446 GPL-2.0 310 209 (4 issues need help) 32 Updated Jul 8, 2025