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    161 repositories

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •681•6.3k•57•16•Updated Jan 29, 2026Jan 29, 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 Jan 29, 2026Jan 29, 2026

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•409•112•Updated Jan 29, 2026Jan 29, 2026

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •9.7k•64k•299•64•Updated Jan 29, 2026Jan 29, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •278•1.6k•39•8•Updated Jan 29, 2026Jan 29, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•22•15•Updated Jan 29, 2026Jan 29, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.8k•30k•310•132•Updated Jan 29, 2026Jan 29, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •376•948•25•128•Updated Jan 29, 2026Jan 29, 2026

    • rocksdb

      Public
      A library that provides an embeddable, persistent key-value store for fast storage.
      databasestorage-engine
      C++
      •
      GNU General Public License v2.0
      •6.7k•31k•831•557•Updated Jan 29, 2026Jan 29, 2026

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •627•2.7k•44•5•Updated Jan 29, 2026Jan 29, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •323•4.2k•274•65•Updated Jan 29, 2026Jan 29, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •337•6.7k•231•63•Updated Jan 29, 2026Jan 29, 2026

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •60•60•1•1•Updated Jan 29, 2026Jan 29, 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
      •181•247•81•139•Updated Jan 29, 2026Jan 29, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •260•5.3k•370•48•Updated Jan 29, 2026Jan 29, 2026

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •85•921•30•21•Updated Jan 29, 2026Jan 29, 2026

    • capi-param-builder

      Public
      Conversions API parameter builder to help enhance the parameter qualities for Conversions API events
      JavaScript
      •
      Other
      •3•10•2•0•Updated Jan 29, 2026Jan 29, 2026

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•604•14•Updated Jan 29, 2026Jan 29, 2026

    • mariana-trench

      Public
      A security focused static analysis tool for Android and Java applications.
      C++
      •
      MIT License
      •157•1.2k•40•2•Updated Jan 29, 2026Jan 29, 2026

    • pyre-check

      Public
      Performant type-checking for python.
      pythonsecuritytypecheckerstatic-analysisocamlcontrol-flow-analysiscode-qualityprogram-analysistaint-analysisabstract-interpretation
      OCaml
      •
      MIT License
      •451•7.1k•131•21•Updated Jan 29, 2026Jan 29, 2026

    • react-native

      Public
      A framework for building native applications using React
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•125k•735•458•Updated Jan 29, 2026Jan 29, 2026

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      •
      MIT License
      •3.8k•17k•244•12•Updated Jan 29, 2026Jan 29, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•621•184•Updated Jan 29, 2026Jan 29, 2026

    • infer

      Public
      A static analyzer for Java, C, C++, and Objective-C
      cjavaobjective-ccppstatic-code-analysisstatic-analysiscode-quality
      OCaml
      •
      MIT License
      •2.1k•16k•393•6•Updated Jan 29, 2026Jan 29, 2026

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •50k•243k•842•297•Updated Jan 29, 2026Jan 29, 2026

    • bpfilter

      Public
      BPF-based packet filtering framework
      C
      •
      GNU General Public License v2.0
      •48•304•24•4•Updated Jan 29, 2026Jan 29, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •246•926•10•10•Updated Jan 29, 2026Jan 29, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •313•1.5k•15•28•Updated Jan 29, 2026Jan 29, 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
      •546•3.1k•34•13•Updated Jan 29, 2026Jan 29, 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
      •60•90•6•12•Updated Jan 29, 2026Jan 29, 2026