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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.3k 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 13,256 MIT 1,143 223 (2 issues need help) 206 Updated Sep 20, 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 5,335 MIT 503 171 (4 issues need help) 4 Updated Sep 20, 2026
  • folly Public

    An open-source C++ library developed and used at Facebook.

    facebook/folly's past year of commit activity
    C++ 30,542 Apache-2.0 5,882 328 151 Updated Sep 20, 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 46 4 Updated Sep 20, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 6,989 MIT 521 549 (39 issues need help) 162 Updated Sep 20, 2026
  • CacheLib Public

    Pluggable in-process caching engine to build and scale high performance services

    facebook/CacheLib's past year of commit activity
    C++ 1,594 Apache-2.0 326 0 21 Updated Sep 20, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,429 Apache-2.0 398 298 102 Updated Sep 19, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm's past year of commit activity
    C++ 18,665 3,070 410 135 Updated Sep 20, 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 6 0 2 Updated Sep 19, 2026
  • relay Public

    Relay is a JavaScript framework for building data-driven React applications.

    facebook/relay's past year of commit activity
    Rust 18,964 MIT 1,896 637 (11 issues need help) 226 Updated Sep 19, 2026
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