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    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      C++
      3.1k19k40796Updated Nov 2, 2025Nov 2, 2025
    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      6272.7k424Updated Nov 2, 2025Nov 2, 2025
    • facebook-ios-sdk

      Public
      Used to integrate the Facebook Platform with your iOS & tvOS apps.
      Swift
      3.7k8k2615Updated Nov 2, 2025Nov 2, 2025
    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      302666436Updated Nov 2, 2025Nov 2, 2025
    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      5.8k30k301111Updated Nov 2, 2025Nov 2, 2025
    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      6756.2k5617Updated Nov 2, 2025Nov 2, 2025
    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      3589262547Updated Nov 2, 2025Nov 2, 2025
    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      1.9k22k61815Updated Nov 2, 2025Nov 2, 2025
    • buck2

      Public
      Build system, successor to Buck
      Rust
      3024.1k26238Updated Nov 1, 2025Nov 1, 2025
    • react-native

      Public
      A framework for building native applications using React
      C++
      25k124k688407Updated Nov 1, 2025Nov 1, 2025
    • react-native-website

      Public
      The React Native website and docs
      TypeScript
      5.5k2.1k1894Updated Nov 1, 2025Nov 1, 2025
    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      3226.6k22346Updated Nov 1, 2025Nov 1, 2025
    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      C++
      3041.5k1419Updated Nov 1, 2025Nov 1, 2025
    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      245920119Updated Nov 1, 2025Nov 1, 2025
    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      1k13k21640Updated Nov 1, 2025Nov 1, 2025
    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      1.5k8.3k2210Updated Nov 1, 2025Nov 1, 2025
    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      2761.6k385Updated Nov 1, 2025Nov 1, 2025
    • 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++
      6085612Updated Nov 1, 2025Nov 1, 2025
    • 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++
      5483.1k3412Updated Nov 1, 2025Nov 1, 2025
    • 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 synchronized, and enable seamless exchange between OCaml and Rust
      Rust
      2413604Updated Nov 1, 2025Nov 1, 2025
    • react

      Public
      The library for web and native user interfaces.
      JavaScript
      50k240k823226Updated Nov 1, 2025Nov 1, 2025
    • pyrefly

      Public
      A fast type checker and language server for Python
      Rust
      1714.1k35923Updated Nov 1, 2025Nov 1, 2025
    • usort

      Public
      Safe, minimal import sorting for Python projects.
      Python
      212031310Updated Nov 1, 2025Nov 1, 2025
    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      535911Updated Nov 1, 2025Nov 1, 2025
    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      3508.8k7318Updated Nov 1, 2025Nov 1, 2025
    • dotslash

      Public
      Simplified executable deployment
      Rust
      40766153Updated Oct 31, 2025Oct 31, 2025
    • mariana-trench

      Public
      A security focused static analysis tool for Android and Java applications.
      C++
      1561.2k383Updated Oct 31, 2025Oct 31, 2025
    • capi-param-builder

      Public
      Conversions API parameter builder to help enhance the parameter qualities for Conversions API events
      JavaScript
      3200Updated Oct 31, 2025Oct 31, 2025
    • TextLayoutBuilder

      Public
      An Android library that allows you to build text layouts more easily.
      Java
      1331.5k20Updated Oct 31, 2025Oct 31, 2025
    • 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 graphics APIs (e.g. OpenGL, Metal and Vulkan).
      C++
      1983.1k40Updated Oct 31, 2025Oct 31, 2025