WebAsk - Learn to read the minds of your customers, co-workers and followers with this fully-customizable and light-weight toolkit for collecting and processing user feedback.

Twitterfeedback.app - Discover user feedback from Twitter for free

Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.

FeedbackBird - Elevating Your Creations with Bird's Eye Feedback

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

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