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    169 repositories

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •385•964•25•121•Updated Apr 25, 2026Apr 25, 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•869•619•Updated Apr 25, 2026Apr 25, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•625•213•Updated Apr 25, 2026Apr 25, 2026

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      Rust
      •
      MIT License
      •1.9k•22k•597•12•Updated Apr 25, 2026Apr 25, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •342•4.3k•292•93•Updated Apr 25, 2026Apr 25, 2026

    • memlab

      Public
      A framework for finding JavaScript memory leaks and analyzing heap snapshots
      nodejsjavascriptperformance
      nodejsjavascriptperformancefacebookv8memorysnapshotdetectore2eheap
      JavaScript
      •
      MIT License
      •138•5k•12•2•Updated Apr 25, 2026Apr 25, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •314•5.6k•433•131•Updated Apr 24, 2026Apr 24, 2026

    • openapi

      Public
      This repository provides OpenAPI specifications for Meta APIs
      MIT License
      •30•111•0•0•Updated Apr 24, 2026Apr 24, 2026

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •410•9.2k•105•56•Updated Apr 24, 2026Apr 24, 2026

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •681•6.3k•56•16•Updated Apr 24, 2026Apr 24, 2026

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibrary
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •51k•245k•825•419•Updated Apr 24, 2026Apr 24, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•213•34•Updated Apr 24, 2026Apr 24, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •285•1.6k•41•5•Updated Apr 24, 2026Apr 24, 2026

    • mariana-trench

      Public
      A security focused static analysis tool for Android and Java applications.
      C++
      •
      MIT License
      •157•1.2k•40•5•Updated Apr 24, 2026Apr 24, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•333•132•Updated Apr 24, 2026Apr 24, 2026

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •632•2.7k•45•5•Updated Apr 24, 2026Apr 24, 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
      •29•127•2•0•Updated Apr 24, 2026Apr 24, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •363•6.8k•225•63•Updated Apr 24, 2026Apr 24, 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
      •211•3.2k•2•8•Updated Apr 24, 2026Apr 24, 2026

    • react-native

      Public
      A framework for building native applications using React
      reactandroidios
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•126k•760•531•Updated Apr 24, 2026Apr 24, 2026

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2.1k•23k•493•20•Updated Apr 24, 2026Apr 24, 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•11•Updated Apr 24, 2026Apr 24, 2026

    • dotslash

      Public
      Simplified executable deployment
      Rust
      •
      Apache License 2.0
      •62•831•21•6•Updated Apr 24, 2026Apr 24, 2026

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-source
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •9.9k•65k•298•89•Updated Apr 24, 2026Apr 24, 2026

    • sapp

      Public
      Post Processor for Facebook Static Analysis Tools.
      Python
      •
      MIT License
      •49•142•8•15•Updated Apr 24, 2026Apr 24, 2026

    • buck2-shims-meta

      Public
      Shims to convert Meta internal buck2 macros/targets for open source build compatibility.
      Starlark
      •
      Apache License 2.0
      •7•5•0•1•Updated Apr 24, 2026Apr 24, 2026

    • ocamlrep

      Public
      Sets of libraries and tools to write applications and libraries mixing OCaml and Rust. These libraries will help keeping your types and data structures synchron…
      Rust
      •
      MIT License
      •25•141•0•6•Updated Apr 24, 2026Apr 24, 2026

    • lexical-ios

      Public
      Lexical iOS is an extensible text editor framework that integrates the APIs and philosophies from Lexical Web with a Swift API built on top of TextKit.
      Swift
      •
      MIT License
      •60•655•21•9•Updated Apr 24, 2026Apr 24, 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
      •301•675•43•9•Updated Apr 24, 2026Apr 24, 2026

    • kuduraft

      Public
      A Raft Library in C++ based on the Raft implementation in Apache Kudu
      C++
      •
      Apache License 2.0
      •662•143•0•0•Updated Apr 24, 2026Apr 24, 2026
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