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    151 repositories

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •346•2.6k•19•97•Updated Sep 3, 2025Sep 3, 2025

    • react-native

      Public
      A framework for building native applications using React
      mobilecross-platformapp-frameworkmobile-developmentreactandroidiosreact-native
      C++
      •
      MIT License
      •25k•124k•657•320•Updated Sep 3, 2025Sep 3, 2025

    • pyrefly

      Public
      A fast type checker and IDE for Python
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualitytypechecktype-checker
      Rust
      •
      MIT License
      •143•3.6k•277•8•Updated Sep 3, 2025Sep 3, 2025

    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      •300•661•42•6•Updated Sep 3, 2025Sep 3, 2025

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      cppcacheconcurrencyssdcache-engineperformance
      C++
      •
      Apache License 2.0
      •299•1.4k•14•17•Updated Sep 3, 2025Sep 3, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.8k•30k•294•103•Updated Sep 3, 2025Sep 3, 2025

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      hacklangphphackhhvm
      C++
      •
      Other
      •3.1k•18k•407•93•Updated Sep 3, 2025Sep 3, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •352•918•24•28•Updated Sep 3, 2025Sep 3, 2025

    • zstd

      Public
      Zstandard - Fast real-time compression algorithm
      C
      •
      Other
      •2.3k•26k•191•23•Updated Sep 3, 2025Sep 3, 2025

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •338•8.7k•65•7•Updated Sep 3, 2025Sep 3, 2025

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •316•6.5k•219•37•Updated Sep 3, 2025Sep 3, 2025

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •293•4.1k•252•26•Updated Sep 2, 2025Sep 2, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •624•2.6k•38•4•Updated Sep 2, 2025Sep 2, 2025

    • kuduraft

      Public
      A Raft Library in C++ based on the Raft implementation in Apache Kudu
      C++
      •
      Apache License 2.0
      •661•137•0•0•Updated Sep 2, 2025Sep 2, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •51•58•1•1•Updated Sep 2, 2025Sep 2, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•648•14•Updated Sep 2, 2025Sep 2, 2025

    • rocksdb

      Public
      A library that provides an embeddable, persistent key-value store for fast storage.
      storage-enginedatabase
      C++
      •
      GNU General Public License v2.0
      •6.6k•30k•774•497•Updated Sep 2, 2025Sep 2, 2025

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1k•13k•215•40•Updated Sep 2, 2025Sep 2, 2025

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •49k•239k•807•226•Updated Sep 2, 2025Sep 2, 2025

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •245•919•10•8•Updated Sep 2, 2025Sep 2, 2025

    • dotslash

      Public
      Simplified executable deployment
      Rust
      •
      Apache License 2.0
      •32•739•14•3•Updated Sep 2, 2025Sep 2, 2025

    • 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 community.
      PHP
      •
      GNU General Public License v2.0
      •164•240•115•80•Updated Sep 2, 2025Sep 2, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •706•10k•120•70•Updated Sep 2, 2025Sep 2, 2025

    • react-native-website

      Public
      The React Native website and docs
      reactreact-nativedocusaurus
      TypeScript
      •
      MIT License
      •5.2k•2.1k•19•104•Updated Sep 2, 2025Sep 2, 2025

    • 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 graphics APIs (e.g. OpenGL, Metal and Vulkan).
      C++
      •
      Other
      •194•3.1k•4•1•Updated Sep 2, 2025Sep 2, 2025

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      •
      MIT License
      •3.8k•17k•241•10•Updated Sep 2, 2025Sep 2, 2025

    • hyperion

      Public
      This project enabled intercepting and virtualizing the browser API
      TypeScript
      •
      MIT License
      •30•41•4•10•Updated Sep 2, 2025Sep 2, 2025

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•20•6•Updated Sep 2, 2025Sep 2, 2025

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2k•22k•508•32•Updated Sep 2, 2025Sep 2, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•599•153•Updated Sep 2, 2025Sep 2, 2025