Repositories list

• relay

  Public

  meta/relay’s past year of commit activity
  Relay is a JavaScript framework for building data-driven React applications.

  Rust

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  MIT License

  •1.9k1.9k forks in meta/relay•19k19k stars in meta/relay•639639 issues in meta/relay•223223 pull requests in meta/relay•Updated Nov 1, 2026Nov 1, 2026

• astryx

  Public

  meta/astryx’s past year of commit activity
  An open source design system that's fully customizable and agent ready

  TypeScript

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  MIT License

  •1.1k1.1k forks in meta/astryx•14k14k stars in meta/astryx•340340 issues in meta/astryx•499499 pull requests in meta/astryx•Updated Nov 1, 2026Nov 1, 2026

• buck2

  Public

  meta/buck2’s past year of commit activity
  Build system, successor to Buck

  Rust

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  Apache License 2.0

  •420420 forks in meta/buck2•4.5k4.5k stars in meta/buck2•301301 issues in meta/buck2•126126 pull requests in meta/buck2•Updated Nov 1, 2026Nov 1, 2026

• lexical

  Public

  meta/lexical’s past year of commit activity
  Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

  TypeScript

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  MIT License

  •2.3k2.3k forks in meta/lexical•24k24k stars in meta/lexical•362362 issues in meta/lexical•9696 pull requests in meta/lexical•Updated Nov 1, 2026Nov 1, 2026

• sapling

  Public

  meta/sapling’s past year of commit activity
  A Scalable, User-Friendly Source Control System.

  Rust

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  GNU General Public License v2.0

  •415415 forks in meta/sapling•7.2k7.2k stars in meta/sapling•244244 issues in meta/sapling•136136 pull requests in meta/sapling•Updated Nov 1, 2026Nov 1, 2026

• rocksdb

  Public

  meta/rocksdb’s past year of commit activity
  A library that provides an embeddable, persistent key-value store for fast storage.

  databasestorage-engine

  databasestorage-engine

  C++

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  GNU General Public License v2.0

  •7k7k forks in meta/rocksdb•32k32k stars in meta/rocksdb•978978 issues in meta/rocksdb•844844 pull requests in meta/rocksdb•Updated Nov 1, 2026Nov 1, 2026

• flow

  Public

  meta/flow’s past year of commit activity
  Adds static typing to JavaScript to improve developer productivity and code quality.

  Rust

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  MIT License

  •1.9k1.9k forks in meta/flow•22k22k stars in meta/flow•507507 issues in meta/flow•55 pull requests in meta/flow•Updated Nov 1, 2026Nov 1, 2026

• pyrefly

  Public

  meta/pyrefly’s past year of commit activity
  A fast type checker and language server for Python

  pythonrusttypechecker+ 14

  pythonrusttypecheckertypeslanguage-serveridelanguage-server-protocoltypingvscode-extensioncode-quality+ 7

  Rust

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  MIT License

  •582582 forks in meta/pyrefly•7.2k7.2k stars in meta/pyrefly•547547 issues in meta/pyrefly•102102 pull requests in meta/pyrefly•Updated Nov 1, 2026Nov 1, 2026

• folly

  Public

  meta/folly’s past year of commit activity
  An open-source C++ library developed and used at Facebook.

  C++

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  Apache License 2.0

  •5.9k5.9k forks in meta/folly•31k31k stars in meta/folly•331331 issues in meta/folly•156156 pull requests in meta/folly•Updated Nov 1, 2026Nov 1, 2026

• buck2-prelude

  Public

  meta/buck2-prelude’s past year of commit activity
  Prelude for the Buck2 project

  Starlark

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  Apache License 2.0

  •6969 forks in meta/buck2-prelude•7474 stars in meta/buck2-prelude•11 issue in meta/buck2-prelude•11 pull request in meta/buck2-prelude•Updated Nov 1, 2026Nov 1, 2026

• fbthrift

  Public

  meta/fbthrift’s past year of commit activity
  Meta's Thrift implementation: cross-language serialization and high-performance async RPC

  C++

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  Apache License 2.0

  •649649 forks in meta/fbthrift•2.7k2.7k stars in meta/fbthrift•4545 issues in meta/fbthrift•77 pull requests in meta/fbthrift•Updated Nov 1, 2026Nov 1, 2026

• Pysa

  Public

  meta/Pysa’s past year of commit activity
  Security-focused Python Static Analyzer

  OCaml

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  MIT License

  •77 forks in meta/Pysa•3232 stars in meta/Pysa•00 issues in meta/Pysa•1212 pull requests in meta/Pysa•Updated Nov 1, 2026Nov 1, 2026

• openbmc

  Public

  meta/openbmc’s past year of commit activity
  OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

  C

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  Apache License 2.0

  •306306 forks in meta/openbmc•689689 stars in meta/openbmc•4444 issues in meta/openbmc•1313 pull requests in meta/openbmc•Updated Nov 1, 2026Nov 1, 2026

• rebalancer

  Public

  meta/rebalancer’s past year of commit activity
  Rebalancer is a domain-specific language and tool for specifying and solving assignment problems (eg, putting balls in boxes with complex rules).

  C++

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  Apache License 2.0

  •4848 forks in meta/rebalancer•473473 stars in meta/rebalancer•11 issue in meta/rebalancer•1212 pull requests in meta/rebalancer•Updated Nov 1, 2026Nov 1, 2026

• watchman

  Public

  meta/watchman’s past year of commit activity
  Watches files and records, or triggers actions, when they change.

  C++

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  MIT License

  •1.1k1.1k forks in meta/watchman•14k14k stars in meta/watchman•224224 issues in meta/watchman•3939 pull requests in meta/watchman•Updated Nov 1, 2026Nov 1, 2026

• wangle

  Public

  meta/wangle’s past year of commit activity
  Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

  C++

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  Apache License 2.0

  •545545 forks in meta/wangle•3.1k3.1k stars in meta/wangle•3434 issues in meta/wangle•1414 pull requests in meta/wangle•Updated Nov 1, 2026Nov 1, 2026

• fb303

  Public

  meta/fb303’s past year of commit activity
  fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.

  C++

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  Apache License 2.0

  •6868 forks in meta/fb303•9999 stars in meta/fb303•66 issues in meta/fb303•1212 pull requests in meta/fb303•Updated Nov 1, 2026Nov 1, 2026

• fboss

  Public

  meta/fboss’s past year of commit activity
  Facebook Open Switching System Software for controlling network switches.

  C++

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  Other

  •417417 forks in meta/fboss•1k1k stars in meta/fboss•2626 issues in meta/fboss•222222 pull requests in meta/fboss•Updated Nov 1, 2026Nov 1, 2026

• openr

  Public

  meta/openr’s past year of commit activity
  Distributed platform for building autonomic network functions.

  C++

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  MIT License

  •254254 forks in meta/openr•939939 stars in meta/openr•1111 issues in meta/openr•1010 pull requests in meta/openr•Updated Nov 1, 2026Nov 1, 2026

• proxygen

  Public

  meta/proxygen’s past year of commit activity
  A collection of C++ HTTP libraries including an easy to use HTTP server.

  C++

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  Other

  •1.5k1.5k forks in meta/proxygen•8.4k8.4k stars in meta/proxygen•2525 issues in meta/proxygen•2121 pull requests in meta/proxygen•Updated Nov 1, 2026Nov 1, 2026

• mcrouter

  Public

  meta/mcrouter’s past year of commit activity
  Mcrouter is a memcached protocol router for scaling memcached deployments.

  C++

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  MIT License

  •554554 forks in meta/mcrouter•3.3k3.3k stars in meta/mcrouter•9696 issues in meta/mcrouter•2020 pull requests in meta/mcrouter•Updated Nov 1, 2026Nov 1, 2026

• ai_simulation

  Public

  meta/ai_simulation’s past year of commit activity
  AI simulation is the cohort of software tools we have built at Meta for modeling and simulation of AI clusters including but not limited to PackSim, which is a …

  C++

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  Other

  •00 forks in meta/ai_simulation•00 stars in meta/ai_simulation•00 issues in meta/ai_simulation•11 pull request in meta/ai_simulation•Updated Nov 1, 2026Nov 1, 2026

• BGP

  Public

  meta/BGP’s past year of commit activity
  Meta's BGP (Border Gateway Protocol) routing daemon for large-scale data center networks, built as part of the FBOSS forwarding stack.

  C++

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  Apache License 2.0

  •99 forks in meta/BGP•1515 stars in meta/BGP•00 issues in meta/BGP•44 pull requests in meta/BGP•Updated Nov 1, 2026Nov 1, 2026

• CacheLib

  Public

  meta/CacheLib’s past year of commit activity
  Pluggable in-process caching engine to build and scale high performance services

  performancecppcache+ 3

  performancecppcacheconcurrencyssdcache-engine

  C++

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  Apache License 2.0

  •327327 forks in meta/CacheLib•1.6k1.6k stars in meta/CacheLib•00 issues in meta/CacheLib•2020 pull requests in meta/CacheLib•Updated Nov 1, 2026Nov 1, 2026

• starlark-rust

  Public

  meta/starlark-rust’s past year of commit activity
  A Rust implementation of the Starlark language

  Rust

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  Apache License 2.0

  •118118 forks in meta/starlark-rust•1k1k stars in meta/starlark-rust•2727 issues in meta/starlark-rust•2222 pull requests in meta/starlark-rust•Updated Nov 1, 2026Nov 1, 2026

• ocamlrep

  Public

  meta/ocamlrep’s past year of commit activity
  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

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  MIT License

  •2929 forks in meta/ocamlrep•147147 stars in meta/ocamlrep•00 issues in meta/ocamlrep•77 pull requests in meta/ocamlrep•Updated Nov 1, 2026Nov 1, 2026

• dotslash

  Public

  meta/dotslash’s past year of commit activity
  Simplified executable deployment

  Rust

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  Apache License 2.0

  •8080 forks in meta/dotslash•912912 stars in meta/dotslash•2323 issues in meta/dotslash•1515 pull requests in meta/dotslash•Updated Nov 1, 2026Nov 1, 2026

• buck2-shims-meta

  Public

  meta/buck2-shims-meta’s past year of commit activity
  Shims to convert Meta internal buck2 macros/targets for open source build compatibility.

  Starlark

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  Apache License 2.0

  •99 forks in meta/buck2-shims-meta•66 stars in meta/buck2-shims-meta•00 issues in meta/buck2-shims-meta•11 pull request in meta/buck2-shims-meta•Updated Nov 1, 2026Nov 1, 2026

• homebrew-fb

  Public

  meta/homebrew-fb’s past year of commit activity
  OS X Homebrew formulas to install Meta open source software

  Ruby

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  Other

  •172172 forks in meta/homebrew-fb•128128 stars in meta/homebrew-fb•1212 issues in meta/homebrew-fb•11 pull request in meta/homebrew-fb•Updated Nov 1, 2026Nov 1, 2026

• meta-ray-ban-display-ui-toolkit-web

  Public

  meta/meta-ray-ban-display-ui-toolkit-web’s past year of commit activity
  UI Toolkit brings the Meta Ray-Ban Display design system to React. Use its components, semantic tokens, materials, motion, accessibility behavior, and direction…

  TypeScript

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  Apache License 2.0

  •00 forks in meta/meta-ray-ban-display-ui-toolkit-web•2121 stars in meta/meta-ray-ban-display-ui-toolkit-web•00 issues in meta/meta-ray-ban-display-ui-toolkit-web•33 pull requests in meta/meta-ray-ban-display-ui-toolkit-web•Updated Nov 1, 2026Nov 1, 2026