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 66.4k 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 23.9k 2.2k

Repositories

Showing 10 of 180 repositories
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,551 MIT 1,157 257 (1 issue needs help) 279 Updated Oct 6, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,030 GPL-2.0 405 241 (4 issues need help) 134 Updated Oct 6, 2026
  • idb Public

    idb is a flexible command line interface for automating iOS simulators and devices

    facebook/idb's past year of commit activity
    Swift 5,355 MIT 507 172 (4 issues need help) 8 Updated Oct 6, 2026
  • wangle Public

    Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

    facebook/wangle's past year of commit activity
    C++ 3,093 Apache-2.0 547 34 14 Updated Oct 6, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,297 MIT 1,893 509 (1 issue needs help) 6 Updated Oct 6, 2026
  • proxygen Public

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

    facebook/proxygen's past year of commit activity
    C++ 8,376 1,527 26 16 Updated Oct 6, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 991 413 26 154 Updated Oct 6, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,049 MIT 539 541 (41 issues need help) 153 Updated Oct 6, 2026
  • chef-cookbooks Public

    Open source chef cookbooks.

    facebook/chef-cookbooks's past year of commit activity
    Ruby 593 Apache-2.0 152 5 6 Updated Oct 6, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,455 Apache-2.0 402 296 108 Updated Oct 6, 2026
View all repositories
Developer Program Member