Maze Templates - A library of pre-made user tests and surveys

Patterninja - Create patterns online

Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.

Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects

UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!

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.