Skip to content

@facebook Meta

Change the repository type filter

All

    Repositories list

    170 repositories

    • astryx

      Public
      An open source design system that's fully customizable and agent ready
      TypeScript
      •
      MIT License
      •1k•12k•213•153•Updated Aug 17, 2026Aug 17, 2026

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•636•235•Updated Aug 17, 2026Aug 17, 2026

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •388•7k•238•129•Updated Aug 17, 2026Aug 17, 2026

    • litho

      Public
      A declarative framework for building efficient UIs on Android.
      Kotlin
      •
      Apache License 2.0
      •764•7.8k•60•55•Updated Aug 17, 2026Aug 17, 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
      •3•2•0•2•Updated Aug 16, 2026Aug 16, 2026

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2.2k•24k•299•49•Updated Aug 16, 2026Aug 16, 2026

    • rocksdb-extensions

      Public
      This is an extensions of the core RocksDB library to support various plug-ins and extensions of core functionality and other modular abstractions.
      C++
      •
      GNU General Public License v2.0
      •0•0•0•1•Updated Aug 16, 2026Aug 16, 2026

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Kotlin
      •
      MIT License
      •3.7k•17k•247•13•Updated Aug 16, 2026Aug 16, 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 16, 2026Aug 16, 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 16, 2026Aug 16, 2026

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvm
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•410•134•Updated Aug 16, 2026Aug 16, 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 16, 2026Aug 16, 2026

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •405•985•25•149•Updated Aug 16, 2026Aug 16, 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 16, 2026Aug 16, 2026

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypechecker
      pythonrusttypecheckertypeslanguage-serveridelanguage-server-protocoltypingvscode-extensioncode-quality
      Rust
      •
      MIT License
      •481•6.9k•518•171•Updated Aug 16, 2026Aug 16, 2026

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •390•4.4k•289•80•Updated Aug 16, 2026Aug 16, 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
      •27•145•0•6•Updated Aug 16, 2026Aug 16, 2026

    • dotslash

      Public
      Simplified executable deployment
      Rust
      •
      Apache License 2.0
      •74•888•20•7•Updated Aug 16, 2026Aug 16, 2026

    • buck2-shims-meta

      Public
      Shims to convert Meta internal buck2 macros/targets for open source build compatibility.
      Starlark
      •
      Apache License 2.0
      •9•5•0•1•Updated Aug 16, 2026Aug 16, 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 16, 2026Aug 16, 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 16, 2026Aug 16, 2026

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •253•936•11•11•Updated Aug 16, 2026Aug 16, 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 16, 2026Aug 16, 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 16, 2026Aug 16, 2026

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcache
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •322•1.6k•1•22•Updated Aug 16, 2026Aug 16, 2026

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1.1k•14k•219•33•Updated Aug 16, 2026Aug 16, 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
      •4•14•0•1•Updated Aug 16, 2026Aug 16, 2026

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •291•1.7k•25•11•Updated Aug 16, 2026Aug 16, 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
      •9•86•0•1•Updated Aug 16, 2026Aug 16, 2026

    • time

      Public
      Meta's Time libraries
      Go
      •
      Apache License 2.0
      •88•649•1•0•Updated Aug 16, 2026Aug 16, 2026
    ProTip! When viewing an organization's repositories, you can use the props. filter to filter by custom property.