Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects
Pattern Collect - Curated gallery of patterns by awesome designers
PatternPad - Create beautiful geometric patterns
Novapattern - Curated directory of well-designed patterns to download
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.
CodePen Patterns - A collection of design patterns & code for your project