Lets you instantly experiment with HTML, CSS, and JavaScript.

A language for large integers and modular math in Galois fields.

Handles the math for a standard 2D or 3D viewer (pan, zoom, rotate) with both touch and mouse support.

Turns HTML textareas and inputs into code editors (syntax coloring, etc).

Handles complex number math.

Creates color-picker dialogs that can be attached to HTML elements.

A general purpose GPU-accelerated 2D fractal viewer.