A collection of DESIGN.md files inspired by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.

The design language that makes your AI harness better at design.

Chrome extension to let agents control your browser. Runs Playwright snippets in a stateful sandbox. Available as CLI or MCP

Use Garry Tan's exact Claude Code setup: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

Public repository for Agent Skills

An agentic skills framework & software development methodology that works.

One does not simply remove styled-components from a codebase.

Realtime WebGL origami simulator

Render After Effects animations natively on Web, Android and iOS, and React Native. http://airbnb.io/lottie/

Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.

The smallest, simplest and fastest JavaScript pixel-level image comparison library

Introduce users to your app with this Material-style carousel.

macOS CLI tool for emulating mouse and keyboard events

Don't Starve asset files.

Babel plugin to cherry-pick ES module imports.

Material-UI SvgIcon components for Material Design Icons.

📚 Community guides for open source creators

Isolated React component development environment with a living style guide

Override create-react-app webpack configs without ejecting

🏪 One component to pick them all

Repository of teaching materials, code, and data for my data analysis and machine learning projects.

Set up a modern web app by running one command.

A showcase of problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox.

The JavaScript and API powered WordPress.com

Torch implementation of neural style algorithm

[Archived] The world's largest independent emoji font. Maintained at https://github.com/joypixels/emoji-toolkit.

Automatically mention potential reviewers on pull requests.

Codeless front-end testing.

A spring that solves your animation problems.

Deep Learning in Javascript. Train Convolutional Neural Networks (or ordinary ones) in your browser.