Customer Feedback Portal - Ask customers what you should build next
Feedback Tools - Curated directory of tools for getting all the feedback
Feedback Fish - Collect feedback & make your customers happy.
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
Roadmap - Collision avoidance for projects and people
Incoming Feedback by Hotjar - Instant visual feedback for your website or app!