Repositories list

• docusaurus

  Public

  facebook/docusaurus’s past year of commit activity
  Easy to maintain open source documentation websites.

  reactjavascriptopen-source+ 3

  reactjavascriptopen-sourcewebsitedocumentationhacktoberfest

  TypeScript

  •

  MIT License

  •10k10k forks in facebook/docusaurus•67k67k stars in facebook/docusaurus•291291 issues in facebook/docusaurus•146146 pull requests in facebook/docusaurus•Updated Oct 16, 2026Oct 16, 2026

• astryx

  Public

  facebook/astryx’s past year of commit activity
  An open source design system that's fully customizable and agent ready

  TypeScript

  •

  MIT License

  •1.2k1.2k forks in facebook/astryx•14k14k stars in facebook/astryx•260260 issues in facebook/astryx•262262 pull requests in facebook/astryx•Updated Oct 16, 2026Oct 16, 2026

• buck2-prelude

  Public

  facebook/buck2-prelude’s past year of commit activity
  Prelude for the Buck2 project

  Starlark

  •

  Apache License 2.0

  •6969 forks in facebook/buck2-prelude•7373 stars in facebook/buck2-prelude•11 issue in facebook/buck2-prelude•11 pull request in facebook/buck2-prelude•Updated Oct 16, 2026Oct 16, 2026

• buck2

  Public

  facebook/buck2’s past year of commit activity
  Build system, successor to Buck

  Rust

  •

  Apache License 2.0

  •409409 forks in facebook/buck2•4.5k4.5k stars in facebook/buck2•303303 issues in facebook/buck2•126126 pull requests in facebook/buck2•Updated Oct 16, 2026Oct 16, 2026

• pyrefly

  Public

  facebook/pyrefly’s past year of commit activity
  A fast type checker and language server for Python

  pythonrusttypechecker+ 14

  pythonrusttypecheckertypeslanguage-serveridelanguage-server-protocoltypingvscode-extensioncode-quality+ 7

  Rust

  •

  MIT License

  •553553 forks in facebook/pyrefly•7.1k7.1k stars in facebook/pyrefly•555555 issues in facebook/pyrefly•150150 pull requests in facebook/pyrefly•Updated Oct 16, 2026Oct 16, 2026

• meta-ray-ban-display-ui-toolkit-web

  Public

  facebook/meta-ray-ban-display-ui-toolkit-web’s past year of commit activity
  UI Toolkit brings the Meta Ray-Ban Display design system to React. Use its components, semantic tokens, materials, motion, accessibility behavior, and direction…

  TypeScript

  •

  Apache License 2.0

  •00 forks in facebook/meta-ray-ban-display-ui-toolkit-web•2020 stars in facebook/meta-ray-ban-display-ui-toolkit-web•00 issues in facebook/meta-ray-ban-display-ui-toolkit-web•00 pull requests in facebook/meta-ray-ban-display-ui-toolkit-web•Updated Oct 16, 2026Oct 16, 2026

• igl

  Public

  facebook/igl’s past year of commit activity
  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…

  C++

  •

  Other

  •220220 forks in facebook/igl•3.2k3.2k stars in facebook/igl•00 issues in facebook/igl•44 pull requests in facebook/igl•Updated Oct 16, 2026Oct 16, 2026

• flow

  Public

  facebook/flow’s past year of commit activity
  Adds static typing to JavaScript to improve developer productivity and code quality.

  Rust

  •

  MIT License

  •1.9k1.9k forks in facebook/flow•22k22k stars in facebook/flow•507507 issues in facebook/flow•55 pull requests in facebook/flow•Updated Oct 16, 2026Oct 16, 2026

• starlark-rust

  Public

  facebook/starlark-rust’s past year of commit activity
  A Rust implementation of the Starlark language

  Rust

  •

  Apache License 2.0

  •116116 forks in facebook/starlark-rust•1k1k stars in facebook/starlark-rust•2727 issues in facebook/starlark-rust•1818 pull requests in facebook/starlark-rust•Updated Oct 16, 2026Oct 16, 2026

• hhvm

  Public

  facebook/hhvm’s past year of commit activity
  A virtual machine for executing programs written in Hack.

  phphackhhvm+ 1

  phphackhhvmhacklang

  C++

  •

  Other

  •3.1k3.1k forks in facebook/hhvm•19k19k stars in facebook/hhvm•412412 issues in facebook/hhvm•146146 pull requests in facebook/hhvm•Updated Oct 16, 2026Oct 16, 2026

• memlab

  Public

  facebook/memlab’s past year of commit activity
  A framework for finding JavaScript memory leaks and analyzing heap snapshots

  nodejsjavascriptperformance+ 10

  nodejsjavascriptperformancefacebookv8memorysnapshotdetectore2eheap+ 3

  TypeScript

  •

  MIT License

  •148148 forks in facebook/memlab•5.1k5.1k stars in facebook/memlab•1212 issues in facebook/memlab•22 pull requests in facebook/memlab•Updated Oct 16, 2026Oct 16, 2026

• fbthrift

  Public

  facebook/fbthrift’s past year of commit activity
  Meta's Thrift implementation: cross-language serialization and high-performance async RPC

  C++

  •

  Apache License 2.0

  •646646 forks in facebook/fbthrift•2.7k2.7k stars in facebook/fbthrift•4545 issues in facebook/fbthrift•55 pull requests in facebook/fbthrift•Updated Oct 16, 2026Oct 16, 2026

• facebook-sdk-for-unity

  Public

  facebook/facebook-sdk-for-unity’s past year of commit activity
  The facebook sdk for unity.

  C++

  •

  Other

  •266266 forks in facebook/facebook-sdk-for-unity•508508 stars in facebook/facebook-sdk-for-unity•421421 issues in facebook/facebook-sdk-for-unity•2525 pull requests in facebook/facebook-sdk-for-unity•Updated Oct 16, 2026Oct 16, 2026

• folly

  Public

  facebook/folly’s past year of commit activity
  An open-source C++ library developed and used at Facebook.

  C++

  •

  Apache License 2.0

  •5.9k5.9k forks in facebook/folly•31k31k stars in facebook/folly•332332 issues in facebook/folly•155155 pull requests in facebook/folly•Updated Oct 16, 2026Oct 16, 2026

• facebook-ios-sdk

  Public

  facebook/facebook-ios-sdk’s past year of commit activity
  Used to integrate the Facebook Platform with your iOS & tvOS apps.

  Swift

  •

  Other

  •3.7k3.7k forks in facebook/facebook-ios-sdk•8.1k8.1k stars in facebook/facebook-ios-sdk•151151 issues in facebook/facebook-ios-sdk•44 pull requests in facebook/facebook-ios-sdk•Updated Oct 16, 2026Oct 16, 2026

• lexical

  Public

  facebook/lexical’s past year of commit activity
  Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

  TypeScript

  •

  MIT License

  •2.2k2.2k forks in facebook/lexical•24k24k stars in facebook/lexical•289289 issues in facebook/lexical•4949 pull requests in facebook/lexical•Updated Oct 16, 2026Oct 16, 2026

• mvfst

  Public

  facebook/mvfst’s past year of commit activity
  An implementation of the QUIC transport protocol.

  C++

  •

  MIT License

  •299299 forks in facebook/mvfst•1.7k1.7k stars in facebook/mvfst•2626 issues in facebook/mvfst•1212 pull requests in facebook/mvfst•Updated Oct 16, 2026Oct 16, 2026

• fboss

  Public

  facebook/fboss’s past year of commit activity
  Facebook Open Switching System Software for controlling network switches.

  C++

  •

  Other

  •415415 forks in facebook/fboss•993993 stars in facebook/fboss•2626 issues in facebook/fboss•200200 pull requests in facebook/fboss•Updated Oct 16, 2026Oct 16, 2026

• openbmc

  Public

  facebook/openbmc’s past year of commit activity
  OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

  C

  •

  Apache License 2.0

  •307307 forks in facebook/openbmc•690690 stars in facebook/openbmc•4343 issues in facebook/openbmc•1212 pull requests in facebook/openbmc•Updated Oct 16, 2026Oct 16, 2026

• relay

  Public

  facebook/relay’s past year of commit activity
  Relay is a JavaScript framework for building data-driven React applications.

  Rust

  •

  MIT License

  •1.9k1.9k forks in facebook/relay•19k19k stars in facebook/relay•640640 issues in facebook/relay•227227 pull requests in facebook/relay•Updated Oct 16, 2026Oct 16, 2026

• capi-param-builder

  Public

  facebook/capi-param-builder’s past year of commit activity
  Conversions API parameter builder to help enhance the parameter qualities for Conversions API events

  JavaScript

  •

  Other

  •1010 forks in facebook/capi-param-builder•3535 stars in facebook/capi-param-builder•11 issue in facebook/capi-param-builder•77 pull requests in facebook/capi-param-builder•Updated Oct 16, 2026Oct 16, 2026

• facebook-for-woocommerce

  Public

  facebook/facebook-for-woocommerce’s past year of commit activity
  The official plugin from Meta. This repository is now officially owned by Meta's Partner Engineering team. We welcome and encourage contributions from the commu…

  PHP

  •

  GNU General Public License v2.0

  •196196 forks in facebook/facebook-for-woocommerce•263263 stars in facebook/facebook-for-woocommerce•110110 issues in facebook/facebook-for-woocommerce•142142 pull requests in facebook/facebook-for-woocommerce•Updated Oct 16, 2026Oct 16, 2026

• proxygen

  Public

  facebook/proxygen’s past year of commit activity
  A collection of C++ HTTP libraries including an easy to use HTTP server.

  C++

  •

  Other

  •1.5k1.5k forks in facebook/proxygen•8.4k8.4k stars in facebook/proxygen•2525 issues in facebook/proxygen•1616 pull requests in facebook/proxygen•Updated Oct 16, 2026Oct 16, 2026

• mcrouter

  Public

  facebook/mcrouter’s past year of commit activity
  Mcrouter is a memcached protocol router for scaling memcached deployments.

  C++

  •

  MIT License

  •554554 forks in facebook/mcrouter•3.3k3.3k stars in facebook/mcrouter•9797 issues in facebook/mcrouter•1919 pull requests in facebook/mcrouter•Updated Oct 16, 2026Oct 16, 2026

• wangle

  Public

  facebook/wangle’s past year of commit activity
  Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

  C++

  •

  Apache License 2.0

  •546546 forks in facebook/wangle•3.1k3.1k stars in facebook/wangle•3434 issues in facebook/wangle•1414 pull requests in facebook/wangle•Updated Oct 16, 2026Oct 16, 2026

• watchman

  Public

  facebook/watchman’s past year of commit activity
  Watches files and records, or triggers actions, when they change.

  C++

  •

  MIT License

  •1.1k1.1k forks in facebook/watchman•14k14k stars in facebook/watchman•223223 issues in facebook/watchman•3737 pull requests in facebook/watchman•Updated Oct 16, 2026Oct 16, 2026

• openr

  Public

  facebook/openr’s past year of commit activity
  Distributed platform for building autonomic network functions.

  C++

  •

  MIT License

  •254254 forks in facebook/openr•939939 stars in facebook/openr•1111 issues in facebook/openr•1010 pull requests in facebook/openr•Updated Oct 16, 2026Oct 16, 2026

• rebalancer

  Public

  facebook/rebalancer’s past year of commit activity
  Rebalancer is a domain-specific language and tool for specifying and solving assignment problems (eg, putting balls in boxes with complex rules).

  C++

  •

  Apache License 2.0

  •4444 forks in facebook/rebalancer•459459 stars in facebook/rebalancer•00 issues in facebook/rebalancer•88 pull requests in facebook/rebalancer•Updated Oct 16, 2026Oct 16, 2026

• CacheLib

  Public

  facebook/CacheLib’s past year of commit activity
  Pluggable in-process caching engine to build and scale high performance services

  performancecppcache+ 3

  performancecppcacheconcurrencyssdcache-engine

  C++

  •

  Apache License 2.0

  •326326 forks in facebook/CacheLib•1.6k1.6k stars in facebook/CacheLib•00 issues in facebook/CacheLib•2020 pull requests in facebook/CacheLib•Updated Oct 16, 2026Oct 16, 2026

• BGP

  Public

  facebook/BGP’s past year of commit activity
  Meta's BGP (Border Gateway Protocol) routing daemon for large-scale data center networks, built as part of the FBOSS forwarding stack.

  C++

  •

  Apache License 2.0

  •88 forks in facebook/BGP•1515 stars in facebook/BGP•00 issues in facebook/BGP•44 pull requests in facebook/BGP•Updated Oct 16, 2026Oct 16, 2026