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 28.1k 2.6k

  4. lexical lexical Public

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

    TypeScript 24k 2.3k

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 13,691 MIT 1,177 254 (1 issue needs help) 264 Updated Oct 18, 2026
  • fresco Public

    An Android library for managing images and the memory they use.

    facebook/fresco's past year of commit activity
    Kotlin 17,156 MIT 3,737 253 (39 issues need help) 12 Updated Oct 18, 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 1,893 507 (1 issue needs help) 6 Updated Oct 19, 2026
  • fb303 Public

    fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.

    facebook/fb303's past year of commit activity
    C++ 98 Apache-2.0 68 6 12 Updated Oct 19, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 994 415 26 208 Updated Oct 18, 2026
  • watchman Public

    Watches files and records, or triggers actions, when they change.

    facebook/watchman's past year of commit activity
    C++ 13,743 MIT 1,071 223 38 Updated Oct 19, 2026
  • memlab Public

    A framework for finding JavaScript memory leaks and analyzing heap snapshots

    facebook/memlab's past year of commit activity
    TypeScript 5,074 MIT 149 12 2 Updated Oct 18, 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++ 8,375 1,527 25 16 Updated Oct 18, 2026
  • fbthrift Public

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

    facebook/fbthrift's past year of commit activity
    C++ 2,697 Apache-2.0 646 45 5 Updated Oct 18, 2026
  • mcrouter Public

    Mcrouter is a memcached protocol router for scaling memcached deployments.

    facebook/mcrouter's past year of commit activity
    C++ 3,333 MIT 554 96 20 Updated Oct 18, 2026