Repositories list

• mvfst

  Public
  An implementation of the QUIC transport protocol.

  C++

  •

  MIT License

  •284284 forks•1.6k1.6k stars•4040 issues•77 pull requests•Updated May 13, 2026May 13, 2026

• flow

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

  Rust

  •

  MIT License

  •1.9k1.9k forks•22k22k stars•597597 issues•1010 pull requests•Updated May 13, 2026May 13, 2026

• buck2

  Public
  Build system, successor to Buck

  Rust

  •

  Apache License 2.0

  •347347 forks•4.3k4.3k stars•295295 issues•100100 pull requests•Updated May 13, 2026May 13, 2026

• OpenBIC

  Public
  BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.

  C

  •

  Apache License 2.0

  •5656 forks•6666 stars•55 issues•66 pull requests•Updated May 13, 2026May 13, 2026

• buck2-prelude

  Public
  Prelude for the Buck2 project

  Starlark

  •

  Apache License 2.0

  •6060 forks•6666 stars•11 issue•11 pull request•Updated May 13, 2026May 13, 2026

• fboss

  Public
  Facebook Open Switching System Software for controlling network switches.

  C++

  •

  Other

  •384384 forks•966966 stars•2525 issues•131131 pull requests•Updated May 13, 2026May 13, 2026

• stylex

  Public
  StyleX is the styling system for ambitious user interfaces.

  JavaScript

  •

  MIT License

  •412412 forks•9.2k9.2k stars•105105 issues•5858 pull requests•Updated May 13, 2026May 13, 2026

• fbthrift

  Public
  Facebook's branch of Apache Thrift, including a new C++ server.

  C++

  •

  Apache License 2.0

  •632632 forks•2.7k2.7k stars•4545 issues•44 pull requests•Updated May 13, 2026May 13, 2026

• facebook-for-woocommerce

  Public
  The official plugin from Meta. This repository is now officially maintained by Meta's engineering team. We welcome and encourage contributions from the communit…

  PHP

  •

  GNU General Public License v2.0

  •187187 forks•253253 stars•8787 issues•151151 pull requests•Updated May 13, 2026May 13, 2026

• react-native

  Public
  A framework for building native applications using React

  reactandroidios+ 5

  reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development

  C++

  •

  MIT License

  •25k25k forks•126k126k stars•751751 issues•541541 pull requests•Updated May 13, 2026May 13, 2026

• yoga

  Public
  Yoga is an embeddable layout engine targeting web standards.

  C++

  •

  MIT License

  •1.5k1.5k forks•19k19k stars•101101 issues•5050 pull requests•Updated May 13, 2026May 13, 2026

• wangle

  Public
  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

  •543543 forks•3.1k3.1k stars•3434 issues•1313 pull requests•Updated May 13, 2026May 13, 2026

• folly

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

  C++

  •

  Apache License 2.0

  •5.9k5.9k forks•30k30k stars•311311 issues•133133 pull requests•Updated May 13, 2026May 13, 2026

• fresco

  Public
  An Android library for managing images and the memory they use.

  Java

  •

  MIT License

  •3.7k3.7k forks•17k17k stars•246246 issues•1111 pull requests•Updated May 13, 2026May 13, 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…

  C++

  •

  Other

  •211211 forks•3.2k3.2k stars•33 issues•22 pull requests•Updated May 13, 2026May 13, 2026

• squangle

  Public
  SQuangLe is a C++ API for accessing MySQL servers

  C++

  •

  Other

  •5454 forks•127127 stars•22 issues•00 pull requests•Updated May 13, 2026May 13, 2026

• metro

  Public
  🚇 The JavaScript bundler for React Native

  javascriptbundlerreact-native

  javascriptbundlerreact-native

  JavaScript

  •

  MIT License

  •680680 forks•5.6k5.6k stars•363363 issues•7676 pull requests•Updated May 13, 2026May 13, 2026

• SoLoader

  Public
  Native code loader for Android

  Java

  •

  Apache License 2.0

  •190190 forks•1.4k1.4k stars•3737 issues•44 pull requests•Updated May 13, 2026May 13, 2026

• sapling

  Public
  A Scalable, User-Friendly Source Control System.

  Rust

  •

  GNU General Public License v2.0

  •363363 forks•6.8k6.8k stars•226226 issues•7474 pull requests•Updated May 13, 2026May 13, 2026

• openbmc

  Public
  OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

  C

  •

  Apache License 2.0

  •302302 forks•678678 stars•4343 issues•88 pull requests•Updated May 13, 2026May 13, 2026

• rocksdb

  Public
  A library that provides an embeddable, persistent key-value store for fast storage.

  databasestorage-engine

  databasestorage-engine

  C++

  •

  GNU General Public License v2.0

  •6.8k6.8k forks•32k32k stars•873873 issues•629629 pull requests•Updated May 13, 2026May 13, 2026

• pyrefly

  Public
  A fast type checker and language server for Python

  pythonrusttypechecker+ 12

  pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck+ 5

  Rust

  •

  MIT License

  •319319 forks•5.7k5.7k stars•417417 issues•113113 pull requests•Updated May 13, 2026May 13, 2026

• hermes

  Public
  A JavaScript engine optimized for running React Native.

  JavaScript

  •

  MIT License

  •774774 forks•11k11k stars•128128 issues•8282 pull requests•Updated May 13, 2026May 13, 2026

• relay

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

  Rust

  •

  MIT License

  •1.9k1.9k forks•19k19k stars•626626 issues•220220 pull requests•Updated May 12, 2026May 12, 2026

• redex

  Public
  A bytecode optimizer for Android apps

  C++

  •

  MIT License

  •680680 forks•6.3k6.3k stars•5656 issues•1616 pull requests•Updated May 12, 2026May 12, 2026

• immersive-web-sdk

  Public
  WebXR made simple. Full-featured framework with interactions, locomotion, and spatial UI. Powered by Three.js.

  TypeScript

  •

  MIT License

  •6767 forks•345345 stars•1818 issues•88 pull requests•Updated May 12, 2026May 12, 2026

• lexical

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

  TypeScript

  •

  MIT License

  •2.2k2.2k forks•23k23k stars•458458 issues•2727 pull requests•Updated May 12, 2026May 12, 2026

• oram

  Public
  An implementation of Oblivious RAM

  Rust

  •

  Apache License 2.0

  •55 forks•3838 stars•11 issue•22 pull requests•Updated May 12, 2026May 12, 2026

• pyre-check

  Public
  Performant type-checking for python.

  pythonsecuritytypechecker+ 8

  pythonsecuritytypecheckerstatic-analysisocamlcontrol-flow-analysiscode-qualityprogram-analysistaint-analysisabstract-interpretation+ 1

  OCaml

  •

  MIT License

  •450450 forks•7.2k7.2k stars•132132 issues•3232 pull requests•Updated May 12, 2026May 12, 2026

• idb

  Public
  idb is a flexible command line interface for automating iOS simulators and devices

  Objective-C

  •

  MIT License

  •487487 forks•5.1k5.1k stars•170170 issues•1515 pull requests•Updated May 12, 2026May 12, 2026