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    170 repositories

    • astryx

      Public
      An open source design system that's fully customizable and agent ready
      TypeScript
      •
      MIT License
      •1k•12k•220•160•Updated Aug 18, 2026Aug 18, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •390•4.4k•289•79•Updated Aug 18, 2026Aug 18, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •290•1.7k•25•11•Updated Aug 18, 2026Aug 18, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •405•985•25•148•Updated Aug 18, 2026Aug 18, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridelanguage-server-protocoltypingvscode-extensioncode-quality
      Rust
      •
      MIT License
      •483•6.9k•521•173•Updated Aug 18, 2026Aug 18, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•637•234•Updated Aug 18, 2026Aug 18, 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
      •219•3.2k•0•1•Updated Aug 18, 2026Aug 18, 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
      •307•683•45•15•Updated Aug 18, 2026Aug 18, 2026

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      JavaScript
      •
      MIT License
      •842•11k•132•99•Updated Aug 18, 2026Aug 18, 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
      •4•2•0•2•Updated Aug 18, 2026Aug 18, 2026

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      Rust
      •
      MIT License
      •1.9k•22k•517•7•Updated Aug 18, 2026Aug 18, 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
      •60•67•5•2•Updated Aug 18, 2026Aug 18, 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•913•703•Updated Aug 18, 2026Aug 18, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •388•7k•238•129•Updated Aug 18, 2026Aug 18, 2026

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvm
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•410•134•Updated Aug 17, 2026Aug 17, 2026

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •643•2.7k•47•8•Updated Aug 17, 2026Aug 17, 2026

    • lightweightvk

      Public
      LightweightVK is a deeply refactored bindless-only fork of IGL which is designed to run on top of modern Vulkan 1.3 with optional mesh shaders and ray tracing s…
      C++
      •
      Other
      •219•2•0•0•Updated Aug 17, 2026Aug 17, 2026

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •680•6.3k•56•16•Updated Aug 17, 2026Aug 17, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •323•1.6k•1•21•Updated Aug 17, 2026Aug 17, 2026

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •69•70•1•1•Updated Aug 17, 2026Aug 17, 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
      •4•13•0•3•Updated Aug 17, 2026Aug 17, 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
      •66•96•6•12•Updated Aug 17, 2026Aug 17, 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
      •548•3.1k•34•14•Updated Aug 17, 2026Aug 17, 2026

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.9k•30k•319•142•Updated Aug 17, 2026Aug 17, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•219•33•Updated Aug 17, 2026Aug 17, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •253•936•11•11•Updated Aug 17, 2026Aug 17, 2026

    • BGP

      Public
      Meta's BGP (Border Gateway Protocol) routing daemon for large-scale data center networks, built as part of the FBOSS forwarding stack.
      C++
      •
      Apache License 2.0
      •5•14•0•1•Updated Aug 17, 2026Aug 17, 2026

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.4k•24•15•Updated Aug 17, 2026Aug 17, 2026

    • idb

      Public
      idb is a flexible command line interface for automating iOS simulators and devices
      Swift
      •
      MIT License
      •499•5.3k•172•10•Updated Aug 17, 2026Aug 17, 2026

    • time

      Public
      Meta's Time libraries
      Go
      •
      Apache License 2.0
      •88•649•1•0•Updated Aug 17, 2026Aug 17, 2026
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