AirHelp - Get paid when you're delayed!
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Service - Customer service issues solved for you, on demand, for free.
Kiwi.com - Find and book the best low-cost flights all around the world
AirAdvisor - AirAdvisor is an airline compensation company advocating for air passenger rights
App in the Air - The perfect companion for everyone taking a flight.