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. 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
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,474 Apache-2.0 409 303 126 Updated Oct 16, 2026
  • FBRetainCycleDetector Public

    iOS library to help detecting retain cycles in runtime.

    facebook/FBRetainCycleDetector's past year of commit activity
    Objective-C++ 4,223 601 36 7 Updated Oct 16, 2026
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,671 MIT 1,178 260 (1 issue needs help) 262 Updated Oct 16, 2026
  • buck2-prelude Public

    Prelude for the Buck2 project

    facebook/buck2-prelude's past year of commit activity
    Starlark 73 Apache-2.0 69 1 1 Updated Oct 16, 2026
  • memlab Public

    A framework for finding JavaScript memory leaks and analyzing heap snapshots

    facebook/memlab's past year of commit activity
    TypeScript 5,070 MIT 148 12 2 Updated Oct 16, 2026
  • BGP Public

    Meta's BGP (Border Gateway Protocol) routing daemon for large-scale data center networks, built as part of the FBOSS forwarding stack.

    facebook/BGP's past year of commit activity
    C++ 15 Apache-2.0 8 0 4 Updated Oct 16, 2026
  • docusaurus Public

    Easy to maintain open source documentation websites.

    facebook/docusaurus's past year of commit activity
    TypeScript 66,500 MIT 10,084 291 (1 issue needs help) 148 Updated Oct 16, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,094 MIT 553 555 (36 issues need help) 150 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
  • 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 4 Updated Oct 16, 2026
View all repositories
Developer Program Member