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 66.2k 10k

  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 27.9k 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 177 repositories
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,090 MIT 1,130 216 (2 issues need help) 195 Updated Sep 15, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,010 GPL-2.0 398 240 (4 issues need help) 135 Updated Sep 15, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 6,967 MIT 517 550 (39 issues need help) 174 Updated Sep 16, 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 5,331 MIT 503 170 (4 issues need help) 12 Updated Sep 16, 2026
  • rebalancer Public

    Rebalancer is a domain-specific language and tool for specifying and solving assignment problems (eg, putting balls in boxes with complex rules).

    facebook/rebalancer's past year of commit activity
    C++ 22 Apache-2.0 5 0 3 Updated Sep 15, 2026
  • facebook-for-woocommerce Public

    The official plugin from Meta. This repository is now officially owned by Meta's Partner Engineering team. We welcome and encourage contributions from the community.

    facebook/facebook-for-woocommerce's past year of commit activity
    PHP 263 GPL-2.0 194 103 (2 issues need help) 140 Updated Sep 15, 2026
  • Lifeguard Public

    Lifeguard is a static analyzer to detect Lazy Imports incompatibilities and ease the adoption overhead for Lazy Imports in Python

    facebook/Lifeguard's past year of commit activity
    Python 87 MIT 11 1 1 Updated Sep 15, 2026
  • fbthrift Public

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

    facebook/fbthrift's past year of commit activity
    C++ 2,698 Apache-2.0 648 47 9 Updated Sep 15, 2026
  • rocksdb Public

    A library that provides an embeddable, persistent key-value store for fast storage.

    facebook/rocksdb's past year of commit activity
    C++ 32,100 GPL-2.0 6,929 924 724 Updated Sep 16, 2026
  • bpfilter Public

    eBPF-based packet filtering framework

    facebook/bpfilter's past year of commit activity
    C 354 GPL-2.0 65 34 (5 issues need help) 2 Updated Sep 15, 2026
View all repositories
Developer Program Member