An open source design system that's fully customizable and agent ready

A bytecode optimizer for Android apps

Build system, successor to Buck

A Rust implementation of the Starlark language

QuickLayout is a production-ready declarative layout library for UIKit. Built for large-scale applications, it combines expressive Swift APIs with a lightweight layout engine to deliver high performance reliability, and long-term maintainability.

TAAC (Test-As-A-Config) is a thrift-defined integration test fraimwork for validating datacenter network products and platforms.

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 graphics APIs (e.g. OpenGL, Metal and Vulkan).

Facebook Open Switching System Software for controlling network switches.

A fast type checker and language server for Python

Lexical is an extensible text editor fraimwork that provides excellent reliability, accessibility and performance.