Frill - A better way to collect customer feedback
Intercom on Product Management - The ultimate resource for aspiring product managers
Feedlify - Engage your customers build better products
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
userthink - Get useful landing page feedback. Increase conversions.
ithinki - A simple user feedback tool for start-ups