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.
Customer Feedback Portal - Ask customers what you should build next
JetRadar - Compare flights from hundreds of airlines & travel agencies
Feedback Fish - Collect feedback & make your customers happy.
Kiwi.com - Find and book the best low-cost flights all around the world