Peek by UserTesting - Get a free, 5-minute video of someone using your site
Easy User Test - Easy User Test is a user testing tool that offers the easiest way to test your text and design.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Useberry - User testing feedback and rich analytics in minutes
Tea: A User's Guide - Nerdy peer-reviewed guide to tea and tea preparation.
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!