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!
Instabug for Product Managers - Collect and understand user feedback
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
Frill - A better way to collect customer feedback
UserBob - Provides affordable remote user testing.
Feedlify - Engage your customers build better products