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    168 repositories

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•629•224•Updated Jul 1, 2026Jul 1, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •399•977•25•144•Updated Jul 1, 2026Jul 1, 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•891•658•Updated Jul 1, 2026Jul 1, 2026

    • facebook-for-woocommerce

      Public
      The official plugin from Meta. This repository is now officially owned by Meta's Partner Engineering team. We welcome and encourage contributions from the commu…
      PHP
      •
      GNU General Public License v2.0
      •190•257•90•125•Updated Jul 1, 2026Jul 1, 2026

    • mcrouter

      Public
      Mcrouter is a memcached protocol router for scaling memcached deployments.
      C++
      •
      MIT License
      •553•3.3k•97•19•Updated Jul 1, 2026Jul 1, 2026

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvm
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•410•128•Updated Jul 1, 2026Jul 1, 2026

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •638•2.7k•45•7•Updated Jul 1, 2026Jul 1, 2026

    • OpenBIC

      Public
      BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.
      C
      •
      Apache License 2.0
      •58•65•5•2•Updated Jul 1, 2026Jul 1, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •374•6.9k•232•97•Updated Jul 1, 2026Jul 1, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•314•139•Updated Jul 1, 2026Jul 1, 2026

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Kotlin
      •
      MIT License
      •3.7k•17k•246•14•Updated Jul 1, 2026Jul 1, 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•0•0•Updated Jul 1, 2026Jul 1, 2026

    • rebalancer

      Public
      Rebalancer is a domain-specific language and tool for specifying and solving assignment problems (eg, putting balls in boxes with complex rules).
      C++
      •
      Apache License 2.0
      •2•8•0•5•Updated Jun 30, 2026Jun 30, 2026

    • astryx

      Public
      An open source design system that's fully customizable and agent ready
      TypeScript
      •
      MIT License
      •101•1.9k•116•18•Updated Jun 30, 2026Jun 30, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •369•4.4k•294•81•Updated Jun 30, 2026Jun 30, 2026

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •65•69•1•1•Updated Jun 30, 2026Jun 30, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridelanguage-server-protocoltypingvscode-extensioncode-quality
      Rust
      •
      MIT License
      •425•6.7k•543•158•Updated Jun 30, 2026Jun 30, 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
      •305•681•45•15•Updated Jun 30, 2026Jun 30, 2026

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •106•991•28•16•Updated Jun 30, 2026Jun 30, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •286•1.7k•27•8•Updated Jun 30, 2026Jun 30, 2026

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      JavaScript
      •
      MIT License
      •815•11k•129•94•Updated Jun 30, 2026Jun 30, 2026

    • memlab

      Public
      A framework for finding JavaScript memory leaks and analyzing heap snapshots
      nodejsjavascriptperformance
      nodejsjavascriptperformancefacebookv8memorysnapshotdetectore2eheap
      TypeScript
      •
      MIT License
      •142•5k•11•2•Updated Jun 30, 2026Jun 30, 2026

    • openzl

      Public
      A novel data compression framework
      C
      •
      Other
      •152•3.1k•28•35•Updated Jun 30, 2026Jun 30, 2026

    • Pysa

      Public
      Security-focused Python Static Analyzer
      OCaml
      •
      MIT License
      •3•7•0•0•Updated Jun 30, 2026Jun 30, 2026

    • DNE-TaaC

      Public
      TAAC (Test-As-A-Config) is a thrift-defined integration test framework for validating datacenter network products and platforms.
      Python
      •
      Apache License 2.0
      •1•1•0•2•Updated Jun 30, 2026Jun 30, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •320•1.6k•0•20•Updated Jun 30, 2026Jun 30, 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•12•Updated Jun 30, 2026Jun 30, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •251•935•11•11•Updated Jun 30, 2026Jun 30, 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
      •544•3.1k•34•14•Updated Jun 30, 2026Jun 30, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•216•34•Updated Jun 30, 2026Jun 30, 2026
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