Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects
Interfacer - Collection of more than 200+ free design resources
PatternPad - Create beautiful geometric patterns
Facebook Design Resources - A collection of free resources made by designers at Facebook
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.
Freebiesbug - Collection of the best free web design resources.