MagicPattern - The best design toolbox with 10+ tools for anyone
Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects
PatternPad - Create beautiful geometric patterns
Generative Art in Go - Learn the basics of algorithmic art with the Go language
SVG Stripe Generator - SVG Stripe Generator is an easy-to-use tool that enables you to create unlimited stripes and then download them to the device.
Ramsophone - A generative art/music machine. (Be sure to refresh!)