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    • jemalloc

      Public
      Meta fork of the OG Jemalloc project
      C
      1.6k21304Updated Dec 24, 2025Dec 24, 2025
    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      3296.7k22754Updated Dec 24, 2025Dec 24, 2025
    • pyrefly

      Public
      A fast type checker and language server for Python
      Rust
      2315.1k39242Updated Dec 24, 2025Dec 24, 2025
    • facebook-for-woocommerce

      Public
      The official plugin from Meta. This repository is now officially maintained by Meta's engineering team. We welcome and encourage contributions from the community.
      PHP
      17924373124Updated Dec 24, 2025Dec 24, 2025
    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      3669382582Updated Dec 24, 2025Dec 24, 2025
    • react-native

      Public
      A framework for building native applications using React
      C++
      25k125k714403Updated Dec 24, 2025Dec 24, 2025
    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      3572.7k32107Updated Dec 24, 2025Dec 24, 2025
    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      3669k8522Updated Dec 24, 2025Dec 24, 2025
    • openzl

      Public
      A novel data compression framework
      C
      1222.9k3325Updated Dec 24, 2025Dec 24, 2025
    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      6262.7k445Updated Dec 24, 2025Dec 24, 2025
    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      C++
      3.1k19k407119Updated Dec 24, 2025Dec 24, 2025
    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      5.8k30k306118Updated Dec 24, 2025Dec 24, 2025
    • The React Native website and docs
      TypeScript
      5.6k2.1k1497Updated Dec 23, 2025Dec 23, 2025
    • buck2

      Public
      Build system, successor to Buck
      Rust
      3124.2k27342Updated Dec 23, 2025Dec 23, 2025
    • Prelude for the Buck2 project
      Starlark
      535811Updated Dec 23, 2025Dec 23, 2025
    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      300667437Updated Dec 23, 2025Dec 23, 2025
    • rocksdb

      Public
      A library that provides an embeddable, persistent key-value store for fast storage.
      C++
      6.7k31k822537Updated Dec 23, 2025Dec 23, 2025
    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      2.1k23k53636Updated Dec 23, 2025Dec 23, 2025
    • dotslash

      Public
      Simplified executable deployment
      Rust
      47788155Updated Dec 23, 2025Dec 23, 2025
    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      3.8k17k24413Updated Dec 23, 2025Dec 23, 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++
      5473.1k3412Updated Dec 23, 2025Dec 23, 2025
    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      2731.6k375Updated Dec 23, 2025Dec 23, 2025
    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      C++
      3081.5k1523Updated Dec 23, 2025Dec 23, 2025
    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      1.5k8.3k2214Updated Dec 23, 2025Dec 23, 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++
      5986612Updated Dec 23, 2025Dec 23, 2025
    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      1k13k21022Updated Dec 23, 2025Dec 23, 2025
    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      2439251010Updated Dec 23, 2025Dec 23, 2025
    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      TypeScript
      9.6k63k29452Updated Dec 23, 2025Dec 23, 2025
    • metro

      Public
      🚇 The JavaScript bundler for React Native
      JavaScript
      6745.5k35762Updated Dec 23, 2025Dec 23, 2025
    • infer

      Public
      A static analyzer for Java, C, C++, and Objective-C
      OCaml
      2.1k15k3906Updated Dec 23, 2025Dec 23, 2025