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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 26, 2026Apr 26, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•24•12•Updated Apr 26, 2026Apr 26, 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 26, 2026Apr 26, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•625•213•Updated Apr 26, 2026Apr 26, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •363•6.8k•225•64•Updated Apr 26, 2026Apr 26, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•340•133•Updated Apr 25, 2026Apr 25, 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•9•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•432•129•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

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •59•65•1•1•Updated Apr 25, 2026Apr 25, 2026

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2.1k•23k•492•19•Updated Apr 25, 2026Apr 25, 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 25, 2026Apr 25, 2026

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •681•6.3k•56•16•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•618•Updated Apr 25, 2026Apr 25, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •285•1.6k•41•5•Updated Apr 25, 2026Apr 25, 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 Apr 25, 2026Apr 25, 2026

    • react-native

      Public
      A framework for building native applications using React
      reactandroidios
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•126k•759•532•Updated Apr 25, 2026Apr 25, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •247•932•10•10•Updated Apr 25, 2026Apr 25, 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
      •64•92•6•13•Updated Apr 25, 2026Apr 25, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•213•34•Updated Apr 25, 2026Apr 25, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •319•1.5k•15•33•Updated Apr 25, 2026Apr 25, 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•41•0•1•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

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      JavaScript
      •
      MIT License
      •765•11k•129•80•Updated Apr 25, 2026Apr 25, 2026

    • zstd

      Public
      Zstandard - Fast real-time compression algorithm
      C
      •
      Other
      •2.5k•27k•224•54•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

    • 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

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibrary
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •51k•245k•827•419•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
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