Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
FareUpThere - Earn rewards for your feedback on flights
Feedback Fish - Collect feedback & make your customers happy.
Eighty App - Convenient travel wishlist app with booking alerts
Customer Feedback Portal - Ask customers what you should build next
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.