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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.5k 10.1k

  2. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.7k 3.1k

  3. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 28k 2.6k

  4. lexical lexical Public

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

    TypeScript 24k 2.2k

Repositories

Showing 10 of 181 repositories
  • astryx Public

    An open source design system that's fully customizable and agent ready

    facebook/astryx's past year of commit activity
    TypeScript 13,665 MIT 1,178 262 (1 issue needs help) 265 Updated Oct 16, 2026
  • fbthrift Public

    Meta's Thrift implementation: cross-language serialization and high-performance async RPC

    facebook/fbthrift's past year of commit activity
    C++ 2,698 Apache-2.0 646 45 5 Updated Oct 16, 2026
  • 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 690 Apache-2.0 307 43 12 Updated Oct 16, 2026
  • 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++ 3,236 220 0 5 Updated Oct 16, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,554 Apache-2.0 5,882 332 155 Updated Oct 16, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,095 MIT 553 556 (36 issues need help) 150 Updated Oct 15, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,298 MIT 1,893 507 (1 issue needs help) 5 Updated Oct 16, 2026
  • relay Public

    Relay is a JavaScript framework for building data-driven React applications.

    facebook/relay's past year of commit activity
    Rust 18,962 MIT 1,891 640 (11 issues need help) 227 Updated Oct 16, 2026
  • meta-ray-ban-display-ui-toolkit-web Public

    UI Toolkit brings the Meta Ray-Ban Display design system to React. Use its components, semantic tokens, materials, motion, accessibility behavior, and directional focus navigation to build interfaces that stay consistent across applications.

    facebook/meta-ray-ban-display-ui-toolkit-web's past year of commit activity
    TypeScript 20 Apache-2.0 0 0 0 Updated Oct 16, 2026
  • capi-param-builder Public

    Conversions API parameter builder to help enhance the parameter qualities for Conversions API events

    facebook/capi-param-builder's past year of commit activity
    JavaScript 35 10 1 7 Updated Oct 16, 2026
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