Javascript

EarSketch

• Javascript
• Music
• Python

A web-based code-to-music tool, like Sonic Pi (ish) but web-based and using Python or Javascript.

Turtle Toy

• Coding
• Javascript

Make arty visualisations and learn Javascript at the same time.

Pts.js

• Coding
• Javascript

A Javascript-based creating coding framework.

BitBox

• Coding
• Javascript

Designed for kids (and very like p5js), BitBox is great for learning coding. It has lots of "stamps" and sounds built in.

Boardzilla

• Game
• Javascript

A node-based framework for creating sophisticated card games.

JSON Editor

• Coding
• Javascript

View JSON data as a tree. Very useful.

Three.js

• Coding
• Javascript

Three.js is code to help create web 3D. Explore the creations people have made with Three.js.