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.

Virtual whiteboard for sketching hand-drawn like diagrams

24 Lessons, 12 Weeks, Get Started as a Web Developer

Easy to maintain open source documentation websites.

A modern alternative to CSS resets

Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.

Parse, validate, manipulate, and display dates in javascript.

Collection of TypeScript type challenges with online judge

</> htmx - high power tools for HTML

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

🔥 🔥 🔥 Open Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and cycles the easiest way on the planet.

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

Collection of handy online tools for developers, with great UX.

The Serenity Operating System 🐞

A rugged, minimal framework for composing JavaScript behavior in your markup.

Actor-based state management & orchestration for complex app logic.

Helping you select a JavaScript framework - Todo apps for React.js, Angular, Vue and many more

Principles of Writing Consistent, Idiomatic JavaScript

Javascript audio library for the modern web.

JavaScript syntax highlighter with language auto-detection and zero dependencies.

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

A javascript library for multi-touch gestures :// You can touch this

Make images smaller using best-in-class codecs, right in the browser.

Animate elements as they scroll into view.

📝 CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.

Lightweight fuzzy-search, in JavaScript

1kB-ish JavaScript framework for building hypertext applications

A simpler site generator. Transforms a directory of templates (of varying types) into HTML.