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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.4k 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 179 repositories
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,532 MIT 1,164 251 (1 issue needs help) 282 Updated Oct 3, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,454 Apache-2.0 404 297 108 Updated Oct 3, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,031 GPL-2.0 407 241 (4 issues need help) 135 Updated Oct 3, 2026
  • pyrefly-pre-commit Public

    A pre-commit hook for Pyrefly.

    facebook/pyrefly-pre-commit's past year of commit activity
    Python 37 MIT 5 0 0 Updated Oct 3, 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-2.0 646 46 5 Updated Oct 3, 2026
  • igl Public

    Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).

    facebook/igl's past year of commit activity
    C++ 3,237 221 0 0 Updated Oct 3, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,044 MIT 531 535 (42 issues need help) 148 Updated Oct 3, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,551 Apache-2.0 5,874 330 150 Updated Oct 3, 2026
  • prophet Public

    Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

    facebook/prophet's past year of commit activity
    Python 20,429 MIT 4,637 448 (7 issues need help) 6 Updated Oct 3, 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 1,893 509 (1 issue needs help) 8 Updated Oct 3, 2026
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