Twitterfeedback.app - Discover user feedback from Twitter for free
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Instabug for Product Managers - Collect and understand user feedback
UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!
Upvoty - User feedback in 1 simple overview 🔥