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!
Loops Feedback - Feedback on design ideas in minutes via 110m+ people
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Storydoc - Easily generate interactive decks and presentations that increase lead engagement and conversion
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
Feedback by Pixelic - Painless design feedback and version control.