Master programming by recreating your favorite technologies from scratch.

Skills for Real Engineers. Straight from my .agents directory.

A book series (2 published editions) on the JS language.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Curated coding interview preparation materials for busy software engineers

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

Coding articles to level up your development skills

Build cross-platform desktop apps with JavaScript, HTML, and CSS

JavaScript 3D Library.

JavaScript API for Chrome and Firefox

Animation engine for explanatory math videos

Clean Code concepts adapted for JavaScript

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

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

🗂 The essential checklist for modern web development, for humans and AI agents

JavaScript animation engine

The HTML Presentation Framework

Simple HTML5 Charts using the <canvas> tag

📜 33 JavaScript concepts every developer should know.

Easy to maintain open source documentation websites.

A long list of (advanced) JavaScript questions, and their explanations ✨

Collaborative cheatsheets for console commands 📚.

🎥 Make videos programmatically with React

A JS library for predictable global state management

A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore.

A skill to stop your coding agent from burying the answer. ADHD-friendly output.

Material Design icons by Google (Material Symbols)

A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.