Incoming Feedback by Hotjar - Instant visual feedback for your website or app!
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Feedback Tools - Curated directory of tools for getting all the feedback
ProductBoard Customer Feedback Portal - Share feature plans and collect feedback at scale for free
unloved. for travel - buy and sell non-refundable travel bookings