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    163 repositories

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •629•2.7k•45•5•Updated Mar 7, 2026Mar 7, 2026

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvm
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•410•117•Updated Mar 7, 2026Mar 7, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•212•30•Updated Mar 7, 2026Mar 7, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •347•6.8k•235•73•Updated Mar 7, 2026Mar 7, 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
      •62•92•6•13•Updated Mar 7, 2026Mar 7, 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
      •545•3.1k•34•15•Updated Mar 7, 2026Mar 7, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•25•16•Updated Mar 7, 2026Mar 7, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •379•957•25•115•Updated Mar 7, 2026Mar 7, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •246•929•10•10•Updated Mar 7, 2026Mar 7, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •280•1.6k•40•5•Updated Mar 7, 2026Mar 7, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •316•1.5k•15•31•Updated Mar 7, 2026Mar 7, 2026

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •679•6.3k•56•16•Updated Mar 7, 2026Mar 7, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •280•5.4k•397•87•Updated Mar 7, 2026Mar 7, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•306•123•Updated Mar 7, 2026Mar 7, 2026

    • react-native

      Public
      A framework for building native applications using React
      reactandroidios
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•126k•750•479•Updated Mar 7, 2026Mar 7, 2026

    • yoga

      Public
      Yoga is an embeddable layout engine targeting web standards.
      C++
      •
      MIT License
      •1.5k•19k•100•46•Updated Mar 7, 2026Mar 7, 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
      •207•3.2k•4•1•Updated Mar 7, 2026Mar 7, 2026

    • openzl

      Public
      A novel data compression framework
      C
      •
      Other
      •138•2.9k•39•43•Updated Mar 7, 2026Mar 7, 2026

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      JavaScript
      •
      MIT License
      •739•11k•124•61•Updated Mar 7, 2026Mar 7, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•624•195•Updated Mar 7, 2026Mar 7, 2026

    • dotslash

      Public
      Simplified executable deployment
      Rust
      •
      Apache License 2.0
      •53•815•16•5•Updated Mar 7, 2026Mar 7, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •331•4.3k•285•79•Updated Mar 7, 2026Mar 7, 2026

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •60•63•1•1•Updated Mar 7, 2026Mar 7, 2026

    • bpfilter

      Public
      eBPF-based packet filtering framework
      C
      •
      GNU General Public License v2.0
      •51•313•24•5•Updated Mar 7, 2026Mar 7, 2026

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•600•13•Updated Mar 7, 2026Mar 7, 2026

    • bunnylol.rs

      Public
      bunnylol is a tool for writing smart bookmarks. Use in your browser, or on the command-line
      rustbrowserbookmarks
      rustbrowserbookmarksbunnylol
      Rust
      •
      MIT License
      •27•119•2•0•Updated Mar 7, 2026Mar 7, 2026

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •362•2.7k•36•144•Updated Mar 7, 2026Mar 7, 2026

    • mcrouter

      Public
      Mcrouter is a memcached protocol router for scaling memcached deployments.
      C++
      •
      MIT License
      •551•3.3k•97•21•Updated Mar 7, 2026Mar 7, 2026

    • pyre-check

      Public
      Performant type-checking for python.
      pythonsecuritytypechecker
      pythonsecuritytypecheckerstatic-analysisocamlcontrol-flow-analysiscode-qualityprogram-analysistaint-analysisabstract-interpretation
      OCaml
      •
      MIT License
      •450•7.1k•131•23•Updated Mar 7, 2026Mar 7, 2026

    • kuduraft

      Public
      A Raft Library in C++ based on the Raft implementation in Apache Kudu
      C++
      •
      Apache License 2.0
      •663•143•0•0•Updated Mar 7, 2026Mar 7, 2026