Repositories list

• astryx

  Public

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

  TypeScript

  •

  MIT License

  •1.2k1.2k forks•14k14k stars•258258 issues•280280 pull requests•Updated Oct 6, 2026Oct 6, 2026

• buck2

  Public
  Build system, successor to Buck

  Rust

  •

  Apache License 2.0

  •402402 forks•4.5k4.5k stars•296296 issues•108108 pull requests•Updated Oct 6, 2026Oct 6, 2026

• buck2-prelude

  Public
  Prelude for the Buck2 project

  Starlark

  •

  Apache License 2.0

  •6969 forks•7373 stars•11 issue•11 pull request•Updated Oct 6, 2026Oct 6, 2026

• idb

  Public
  idb is a flexible command line interface for automating iOS simulators and devices

  Swift

  •

  MIT License

  •507507 forks•5.4k5.4k stars•172172 issues•88 pull requests•Updated Oct 6, 2026Oct 6, 2026

• folly

  Public
  An open-source C++ library developed and used at Facebook.

  C++

  •

  Apache License 2.0

  •5.9k5.9k forks•31k31k stars•332332 issues•151151 pull requests•Updated Oct 6, 2026Oct 6, 2026

• sapling

  Public
  A Scalable, User-Friendly Source Control System.

  Rust

  •

  GNU General Public License v2.0

  •405405 forks•7k7k stars•241241 issues•134134 pull requests•Updated Oct 6, 2026Oct 6, 2026

• pyrefly

  Public
  A fast type checker and language server for Python

  pythonrusttypechecker+ 14

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

  Rust

  •

  MIT License

  •539539 forks•7k7k stars•540540 issues•153153 pull requests•Updated Oct 6, 2026Oct 6, 2026

• fbthrift

  Public

  facebook/fbthrift’s past year of commit activity
  Facebook's branch of Apache Thrift, including a new C++ server.

  C++

  •

  Apache License 2.0

  •646646 forks•2.7k2.7k stars•4646 issues•55 pull requests•Updated Oct 6, 2026Oct 6, 2026

• infer

  Public
  A static analyzer for Java, C, C++, and Objective-C

  cjavaobjective-c+ 4

  cjavaobjective-ccppstatic-code-analysisstatic-analysiscode-quality

  OCaml

  •

  MIT License

  •2.1k2.1k forks•16k16k stars•196196 issues•6868 pull requests•Updated Oct 6, 2026Oct 6, 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

  •307307 forks•690690 stars•4444 issues•1212 pull requests•Updated Oct 6, 2026Oct 6, 2026

• flow

  Public
  Adds static typing to JavaScript to improve developer productivity and code quality.

  Rust

  •

  MIT License

  •1.9k1.9k forks•22k22k stars•509509 issues•66 pull requests•Updated Oct 6, 2026Oct 6, 2026

• fboss

  Public

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

  C++

  •

  Other

  •413413 forks•991991 stars•2626 issues•154154 pull requests•Updated Oct 6, 2026Oct 6, 2026

• redex

  Public
  A bytecode optimizer for Android apps

  C++

  •

  MIT License

  •681681 forks•6.3k6.3k stars•5656 issues•1818 pull requests•Updated Oct 6, 2026Oct 6, 2026

• starlark-rust

  Public

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

  Rust

  •

  Apache License 2.0

  •114114 forks•1k1k stars•2727 issues•1616 pull requests•Updated Oct 6, 2026Oct 6, 2026

• lexical

  Public

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

  TypeScript

  •

  MIT License

  •2.2k2.2k forks•24k24k stars•286286 issues•3535 pull requests•Updated Oct 6, 2026Oct 6, 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

  •77 forks•1616 stars•00 issues•33 pull requests•Updated Oct 6, 2026Oct 6, 2026

• stylex

  Public
  StyleX is the styling system for ambitious user interfaces.

  JavaScript

  •

  MIT License

  •489489 forks•10k10k stars•124124 issues•9898 pull requests•Updated Oct 6, 2026Oct 6, 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

  •55 forks•33 stars•00 issues•55 pull requests•Updated Oct 6, 2026Oct 6, 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

  •221221 forks•3.2k3.2k stars•00 issues•00 pull requests•Updated Oct 6, 2026Oct 6, 2026

• openr

  Public
  Distributed platform for building autonomic network functions.

  C++

  •

  MIT License

  •254254 forks•938938 stars•1111 issues•1010 pull requests•Updated Oct 6, 2026Oct 6, 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

  •221221 forks•33 stars•00 issues•00 pull requests•Updated Oct 6, 2026Oct 6, 2026

• chef-cookbooks

  Public
  Open source chef cookbooks.

  Ruby

  •

  Apache License 2.0

  •152152 forks•593593 stars•55 issues•66 pull requests•Updated Oct 6, 2026Oct 6, 2026

• hermes

  Public

  facebook/hermes’s past year of commit activity
  A JavaScript engine optimized for running React Native.

  JavaScript

  •

  MIT License

  •874874 forks•11k11k stars•144144 issues•124124 pull requests•Updated Oct 6, 2026Oct 6, 2026

• kuduraft

  Public
  A Raft Library in C++ based on the Raft implementation in Apache Kudu

  C++

  •

  Apache License 2.0

  •660660 forks•145145 stars•00 issues•00 pull requests•Updated Oct 6, 2026Oct 6, 2026

• hhvm

  Public

  facebook/hhvm’s past year of commit activity
  A virtual machine for executing programs written in Hack.

  phphackhhvm+ 1

  phphackhhvmhacklang

  C++

  •

  Other

  •3.1k3.1k forks•19k19k stars•410410 issues•141141 pull requests•Updated Oct 6, 2026Oct 6, 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

  •6.9k6.9k forks•32k32k stars•950950 issues•758758 pull requests•Updated Oct 6, 2026Oct 6, 2026

• relay

  Public
  Relay is a JavaScript framework for building data-driven React applications.

  Rust

  •

  MIT License

  •1.9k1.9k forks•19k19k stars•639639 issues•226226 pull requests•Updated Oct 6, 2026Oct 6, 2026

• zstd

  Public
  Zstandard - Fast real-time compression algorithm

  C

  •

  Other

  •2.6k2.6k forks•28k28k stars•258258 issues•140140 pull requests•Updated Oct 6, 2026Oct 6, 2026

• openzl

  Public
  A novel take on lossless data compression

  C++

  •

  Other

  •172172 forks•3.3k3.3k stars•3333 issues•4141 pull requests•Updated Oct 6, 2026Oct 6, 2026

• watchman

  Public
  Watches files and records, or triggers actions, when they change.

  C++

  •

  MIT License

  •1.1k1.1k forks•14k14k stars•223223 issues•3737 pull requests•Updated Oct 6, 2026Oct 6, 2026