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

Materialize, a CSS Framework based on Material Design

Cross-Platform JavaScript Creative Coding Framework

🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.

A small blog where Matthias posts thoughts on things happening around Khan Academy.

Explore, analyze, and visualize the performance of your programs on Khan Academy.

Material Design icons by Google (Material Symbols)

Community-curated topic and collection pages on GitHub

JSHint is a tool that helps to detect errors and potential problems in your JavaScript code

OS.js - JavaScript Web Desktop Platform

Short CSS code snippets for all your development needs

Less. The dynamic stylesheet language.

An embeddable script that makes source-code snippets in HTML prettier.

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

A block-style editor with clean JSON output

A port of the Processing visualization language to JavaScript.

My Khan Academy Programs

SyntaxHighlighter is a fully functional self-contained code syntax highlighter developed in JavaScript.

Private front-end for Reddit

JavaScript Bookmarklets

The open LMS by Instructure, Inc.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

🏆 Add dynamically generated GitHub Stat Trophies on your readme

Official repository for CommunityPaint, an open source project of, by, and for Khan Academy learners

A collection of routines for Khan Academy learners to use in their projects.

Standards for developing consistent, flexible, and sustainable HTML and CSS.

Showcase the success of any GitHub repo or user with these simple, static buttons with dynamic counts.