Frill - A better way to collect customer feedback

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!

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

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

Prowess - The simplest way to collect and leverage product feedback

userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.