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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.6k 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 28.1k 2.7k

  4. lexical lexical Public

    Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

    TypeScript 24k 2.3k

Repositories

Showing 10 of 183 repositories
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,494 Apache-2.0 416 303 128 Updated Oct 25, 2026
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,746 MIT 1,122 269 (1 issue needs help) 476 Updated Oct 25, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,140 MIT 569 593 (34 issues need help) 160 Updated Oct 25, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,201 GPL-2.0 413 243 (4 issues need help) 135 Updated Oct 25, 2026
  • DNE-TaaC Public

    TAAC (Test-As-A-Config) is a thrift-defined integration test framework for validating datacenter network products and platforms.

    facebook/DNE-TaaC's past year of commit activity
    Python 5 Apache-2.0 6 0 17 Updated Oct 25, 2026
  • fbthrift Public

    Meta's Thrift implementation: cross-language serialization and high-performance async RPC

    facebook/fbthrift's past year of commit activity
    C++ 2,700 Apache-2.0 647 45 6 Updated Oct 25, 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 5,387 MIT 514 179 (4 issues need help) 18 Updated Oct 25, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,307 MIT 1,892 506 (1 issue needs help) 6 Updated Oct 25, 2026
  • litho Public

    A declarative framework for building efficient UIs on Android.

    facebook/litho's past year of commit activity
    Kotlin 7,799 Apache-2.0 769 60 56 Updated Oct 25, 2026
  • relay Public

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

    facebook/relay's past year of commit activity
    Rust 18,963 MIT 1,893 640 (11 issues need help) 231 Updated Oct 25, 2026