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    167 repositories

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •633•2.7k•45•5•Updated Apr 2, 2026Apr 2, 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
      •3•40•0•1•Updated Apr 2, 2026Apr 2, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •359•6.8k•233•83•Updated Apr 2, 2026Apr 2, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •321•1.5k•16•33•Updated Apr 2, 2026Apr 2, 2026

    • shortcake

      Public
      An implementation of a SAS-based authenticated key exchange
      Rust
      •
      Apache License 2.0
      •2•2•0•0•Updated Apr 2, 2026Apr 2, 2026

    • react-native

      Public
      A framework for building native applications using React
      reactandroidios
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•126k•752•506•Updated Apr 2, 2026Apr 2, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •296•5.5k•394•94•Updated Apr 2, 2026Apr 2, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •380•964•25•106•Updated Apr 2, 2026Apr 2, 2026

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      JavaScript
      •
      MIT License
      •750•11k•125•73•Updated Apr 2, 2026Apr 2, 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
      •299•674•43•7•Updated Apr 2, 2026Apr 2, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •335•4.3k•289•80•Updated Apr 2, 2026Apr 2, 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 2, 2026Apr 2, 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 2, 2026Apr 2, 2026

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      Rust
      •
      MIT License
      •1.9k•22k•598•13•Updated Apr 2, 2026Apr 2, 2026

    • time

      Public
      Meta's Time libraries
      Go
      •
      Apache License 2.0
      •83•643•6•3•Updated Apr 2, 2026Apr 2, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•625•206•Updated Apr 2, 2026Apr 2, 2026

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-source
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •9.8k•64k•288•80•Updated Apr 2, 2026Apr 2, 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•858•604•Updated Apr 2, 2026Apr 2, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•327•128•Updated Apr 2, 2026Apr 2, 2026

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •367•2.7k•33•167•Updated Apr 2, 2026Apr 2, 2026

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibrary
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •51k•244k•818•383•Updated Apr 2, 2026Apr 2, 2026

    • openzl

      Public
      A novel data compression framework
      C
      •
      Other
      •140•3k•38•37•Updated Apr 2, 2026Apr 2, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •284•1.6k•42•13•Updated Apr 2, 2026Apr 2, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•213•32•Updated Apr 2, 2026Apr 2, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •246•929•10•10•Updated Apr 2, 2026Apr 2, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•23•16•Updated Apr 2, 2026Apr 2, 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•13•Updated Apr 2, 2026Apr 2, 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 2, 2026Apr 2, 2026

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •90•954•30•25•Updated Apr 2, 2026Apr 2, 2026

    • Pysa

      Public
      Python Static Analyzer
      CSS
      •
      MIT License
      •1•3•0•10•Updated Apr 2, 2026Apr 2, 2026
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