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.
Burner Page - Validate ideas with burner pages in < 60 seconds
Canny.io - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
ithinki - A simple user feedback tool for start-ups
Twitterfeedback.app - Discover user feedback from Twitter for free