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    165 repositories

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•629•219•Updated Jun 15, 2026Jun 15, 2026

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvm
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•409•131•Updated Jun 15, 2026Jun 15, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •370•6.9k•232•89•Updated Jun 15, 2026Jun 15, 2026

    • litho

      Public
      A declarative framework for building efficient UIs on Android.
      Kotlin
      •
      Apache License 2.0
      •762•7.8k•60•55•Updated Jun 15, 2026Jun 15, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •362•4.4k•294•88•Updated Jun 15, 2026Jun 15, 2026

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •105•982•28•12•Updated Jun 14, 2026Jun 14, 2026

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •424•9.3k•108•69•Updated Jun 14, 2026Jun 14, 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
      •214•3.2k•1•1•Updated Jun 14, 2026Jun 14, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •396•976•25•134•Updated Jun 14, 2026Jun 14, 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
      •543•3.1k•34•13•Updated Jun 14, 2026Jun 14, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•24•15•Updated Jun 14, 2026Jun 14, 2026

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •634•2.7k•45•5•Updated Jun 14, 2026Jun 14, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •285•1.6k•27•8•Updated Jun 14, 2026Jun 14, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •250•936•11•11•Updated Jun 14, 2026Jun 14, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•215•32•Updated Jun 14, 2026Jun 14, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •319•1.6k•0•20•Updated Jun 14, 2026Jun 14, 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•93•6•13•Updated Jun 14, 2026Jun 14, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •401•6.6k•517•128•Updated Jun 14, 2026Jun 14, 2026

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •64•68•1•1•Updated Jun 14, 2026Jun 14, 2026

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2.2k•24k•408•31•Updated Jun 14, 2026Jun 14, 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
      •26•144•0•7•Updated Jun 14, 2026Jun 14, 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•73•0•1•Updated Jun 14, 2026Jun 14, 2026

    • immersive-web-sdk

      Public
      WebXR made simple. Full-featured framework with interactions, locomotion, and spatial UI. Powered by Three.js.
      TypeScript
      •
      MIT License
      •71•353•21•10•Updated Jun 13, 2026Jun 13, 2026

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      Rust
      •
      MIT License
      •1.9k•22k•596•12•Updated Jun 13, 2026Jun 13, 2026

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-source
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •9.9k•65k•291•109•Updated Jun 13, 2026Jun 13, 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
      •6.9k•32k•886•646•Updated Jun 13, 2026Jun 13, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•314•137•Updated Jun 13, 2026Jun 13, 2026

    • facebook-nodejs-business-sdk

      Public
      Node.js SDK for Meta Marketing APIs
      JavaScript
      •
      Other
      •246•595•67•16•Updated Jun 13, 2026Jun 13, 2026

    • facebook-php-business-sdk

      Public
      PHP SDK for Meta Marketing API
      PHP
      •
      Other
      •528•911•19•14•Updated Jun 13, 2026Jun 13, 2026

    • facebook-python-business-sdk

      Public
      Python SDK for Meta Marketing APIs
      Python
      •
      Other
      •670•1.6k•38•19•Updated Jun 13, 2026Jun 13, 2026
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