Userbrain - Easy, fast, and affordable user testing for websites and prototypes.

Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.

Maze - Beautiful & actionable analytics for InVision prototypes

Delighted - The fastest and easiest way to gather actionable feedback from your customers

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!

Wootric - Wootric is software that allows apps and websites to take customer satisfaction surveys so that you can properly gauge the popularity and success of your app through the eyes of the people using it. Read more about Wootric.