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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.2k 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
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 990 409 25 182 Updated Sep 15, 2026
  • facebook-for-woocommerce Public

    The official plugin from Meta. This repository is now officially owned by Meta's Partner Engineering team. We welcome and encourage contributions from the community.

    facebook/facebook-for-woocommerce's past year of commit activity
    PHP 263 GPL-2.0 194 103 (2 issues need help) 139 Updated Sep 15, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 6,967 MIT 517 549 (39 issues need help) 176 Updated Sep 15, 2026
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,094 MIT 1,131 216 (2 issues need help) 195 Updated Sep 15, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,010 GPL-2.0 398 240 (4 issues need help) 135 Updated Sep 15, 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++ 8,381 1,531 24 15 Updated Sep 15, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,426 Apache-2.0 395 297 97 Updated Sep 15, 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 47 8 Updated Sep 15, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,288 MIT 1,893 509 (1 issue needs help) 6 Updated Sep 15, 2026
  • redex Public

    A bytecode optimizer for Android apps

    facebook/redex's past year of commit activity
    C++ 6,300 MIT 681 56 (2 issues need help) 17 Updated Sep 15, 2026
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