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    172 repositories

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      Rust
      •
      MIT License
      •1.9k•22k•595•9•Updated May 23, 2026May 23, 2026

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •633•2.7k•45•4•Updated May 23, 2026May 23, 2026

    • infer

      Public
      A static analyzer for Java, C, C++, and Objective-C
      cjavaobjective-c
      cjavaobjective-ccppstatic-code-analysisstatic-analysiscode-quality
      OCaml
      •
      MIT License
      •2.1k•16k•413•8•Updated May 23, 2026May 23, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •389•971•25•120•Updated May 23, 2026May 23, 2026

    • immersive-web-sdk

      Public
      WebXR made simple. Full-featured framework with interactions, locomotion, and spatial UI. Powered by Three.js.
      TypeScript
      •
      MIT License
      •69•354•21•10•Updated May 23, 2026May 23, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •367•6.8k•229•83•Updated May 23, 2026May 23, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •249•933•11•11•Updated May 23, 2026May 23, 2026

    • Lifeguard

      Public
      Lifeguard is a static analyzer to detect Lazy Imports incompatibilities and ease the adoption overhead for Lazy Imports in Python
      pythonruststatic-analysis
      pythonruststatic-analysislazy-importspep810
      Python
      •
      MIT License
      •5•56•0•1•Updated May 23, 2026May 23, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•216•33•Updated May 23, 2026May 23, 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
      •543•3.1k•34•13•Updated May 23, 2026May 23, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•24•14•Updated May 23, 2026May 23, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •284•1.6k•38•7•Updated May 23, 2026May 23, 2026

    • fb303

      Public
      fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.
      C++
      •
      Apache License 2.0
      •63•92•6•13•Updated May 23, 2026May 23, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •318•1.5k•0•22•Updated May 23, 2026May 23, 2026

    • react-native

      Public
      A framework for building native applications using React
      reactandroidios
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•126k•743•556•Updated May 23, 2026May 23, 2026

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      •
      MIT License
      •3.7k•17k•246•12•Updated May 23, 2026May 23, 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
      •6.8k•32k•876•643•Updated May 23, 2026May 23, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •381•6.5k•470•120•Updated May 23, 2026May 23, 2026

    • bpfilter

      Public
      eBPF-based packet filtering framework
      C
      •
      GNU General Public License v2.0
      •59•328•18•3•Updated May 23, 2026May 23, 2026

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •416•9.2k•104•52•Updated May 23, 2026May 23, 2026

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibrary
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •51k•245k•828•478•Updated May 23, 2026May 23, 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
      •213•3.2k•2•1•Updated May 23, 2026May 23, 2026

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2.2k•23k•439•27•Updated May 23, 2026May 23, 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
      •305•679•43•8•Updated May 23, 2026May 23, 2026

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •681•6.3k•56•16•Updated May 23, 2026May 23, 2026

    • mcrouter

      Public
      Mcrouter is a memcached protocol router for scaling memcached deployments.
      C++
      •
      MIT License
      •551•3.3k•97•19•Updated May 23, 2026May 23, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•627•206•Updated May 23, 2026May 23, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •356•4.3k•294•95•Updated May 23, 2026May 23, 2026

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •98•971•29•12•Updated May 23, 2026May 23, 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
      •188•255•88•153•Updated May 22, 2026May 22, 2026
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