Create cool CSS background patterns for your web design work with this collection of pure CSS patterns
MagicPattern - The best design toolbox with 10+ tools for anyone
Patterninja - Create patterns online
Hero Patterns - A collection of repeatable SVG background patterns
Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects
PatternPad - Create beautiful geometric patterns
Patternizer - Create awesome background patterns in just a few minutes