Survicate - Collect feedback on your website and find out more about your visitors.
Incoming Feedback by Hotjar - Instant visual feedback for your website or app!
Feedback Fish - Collect feedback & make your customers happy.
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Emojicom.io - Capture your visitors emotions
ProductBoard Customer Feedback Portal - Share feature plans and collect feedback at scale for free