PatternPad - Create beautiful geometric patterns
Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects
Deko - Create beautiful patterns with the swipe of your finger
Patterninja - Create patterns online
GeometriCam - Photo mosaic/shape mosaic app
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.