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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 13,266 MIT 1,143 225 (2 issues need help) 207 Updated Sep 20, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 6,991 MIT 521 549 (39 issues need help) 163 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
  • 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 20, 2026
  • openzl Public

    A novel take on lossless data compression

    facebook/openzl's past year of commit activity
    C++ 3,180 164 33 37 Updated Sep 20, 2026
  • ocamlrep Public

    Sets of libraries and tools to write applications and libraries mixing OCaml and Rust. These libraries will help keeping your types and data structures synchronized, and enable seamless exchange between OCaml and Rust

    facebook/ocamlrep's past year of commit activity
    Rust 147 MIT 28 0 6 Updated Sep 20, 2026
  • buck2-shims-meta Public

    Shims to convert Meta internal buck2 macros/targets for open source build compatibility.

    facebook/buck2-shims-meta's past year of commit activity
    Starlark 6 Apache-2.0 9 0 1 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
  • 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
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