Skip to content
@facebook

Meta

We are working to build community through open source technology. NB: members must have two-factor auth.

Pinned Loading

  1. react react Public

    The library for web and native user interfaces.

    JavaScript 238k 49k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 123k 24.8k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 61k 9.3k

  4. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.5k 3k

  5. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 25.4k 2.3k

  6. lexical lexical Public

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

    TypeScript 21.7k 1.9k

Repositories

Showing 10 of 149 repositories
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,453 3,046 408 92 Updated Jul 26, 2025
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 29,623 Apache-2.0 5,738 293 101 Updated Jul 26, 2025
  • pyrefly Public

    A fast type checker and IDE for Python

    facebook/pyrefly’s past year of commit activity
    Rust 3,345 MIT 127 224 (16 issues need help) 12 Updated Jul 26, 2025
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,647 Apache-2.0 624 36 6 Updated Jul 26, 2025
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 3,995 Apache-2.0 283 243 20 Updated Jul 26, 2025
  • buck2-prelude Public

    Prelude for the Buck2 project

    facebook/buck2-prelude’s past year of commit activity
    Starlark 58 Apache-2.0 48 1 1 Updated Jul 26, 2025
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 911 341 24 76 Updated Jul 26, 2025
  • infer Public

    A static analyzer for Java, C, C++, and Objective-C

    facebook/infer’s past year of commit activity
    OCaml 15,307 MIT 2,038 411 (12 issues need help) 3 Updated Jul 26, 2025
  • openbmc Public

    OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

    facebook/openbmc’s past year of commit activity
    C 658 296 42 6 Updated Jul 26, 2025
  • facebook-java-business-sdk Public

    Java SDK for Meta Marketing APIs

    facebook/facebook-java-business-sdk’s past year of commit activity
    Java 431 334 48 18 Updated Jul 26, 2025
View all repositories
Developer Program Member