FareUpThere - Earn rewards for your feedback on flights
Customer Feedback Portal - Ask customers what you should build next
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Feedback Tools - Curated directory of tools for getting all the feedback
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Feedback Fish - Collect feedback & make your customers happy.