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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 28.2k 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 185 repositories
  • astryx Public

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

    meta/astryx's past year of commit activity
    TypeScript 13,824 MIT 1,134 361 (1 issue needs help) 515 Updated Nov 2, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    meta/fboss's past year of commit activity
    C++ 1,001 417 26 223 Updated Nov 2, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    meta/pyrefly's past year of commit activity
    Rust 7,176 MIT 583 533 (25 issues need help) 80 Updated Nov 2, 2026
  • mbt Public

    Command-line tool for independently verifying the integrity of artifacts published to Meta's binary transparency log. Validates SHA-256 digests, Cloudflare Ed25519 signatures, Meta counter-signatures, and cross-checks against Cloudflare's Key Transparency auditor.

    meta/mbt's past year of commit activity
    Rust 2 1 0 3 Updated Nov 2, 2026
  • folly Public

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

    meta/folly's past year of commit activity
    C++ 30,555 Apache-2.0 5,879 331 156 Updated Nov 2, 2026
  • lexical Public

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

    meta/lexical's past year of commit activity
    TypeScript 23,990 MIT 2,280 363 (2 issues need help) 99 Updated Nov 2, 2026
  • fbthrift Public

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

    meta/fbthrift's past year of commit activity
    C++ 2,702 Apache-2.0 649 45 7 Updated Nov 2, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    meta/hhvm's past year of commit activity
    C++ 18,680 3,067 412 151 Updated Nov 1, 2026
  • stylex Public

    StyleX is the styling system for ambitious user interfaces.

    meta/stylex's past year of commit activity
    JavaScript 10,444 MIT 509 121 (10 issues need help) 115 Updated Nov 1, 2026
  • buck2 Public

    Build system, successor to Buck

    meta/buck2's past year of commit activity
    Rust 4,509 Apache-2.0 420 301 126 Updated Nov 2, 2026
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