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We are working to build community through open source technology. NB: members must have two-factor auth.

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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 23.9k 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 13,650 MIT 1,177 263 (1 issue needs help) 288 Updated Oct 15, 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 689 Apache-2.0 307 44 11 Updated Oct 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++ 32,201 GPL-2.0 6,963 952 785 Updated Oct 15, 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 15, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 993 414 26 191 Updated Oct 15, 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 15, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,091 MIT 553 555 (36 issues need help) 150 Updated Oct 14, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,299 MIT 1,893 507 (1 issue needs help) 6 Updated Oct 15, 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 97 19 Updated Oct 15, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,473 Apache-2.0 407 303 122 Updated Oct 15, 2026