Concur - Automated travel and expense management - your employees, travel managers and finance, too.
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
AmTrav - AmTrav is a travel management solution that offers expense management integration, online booking tools to help booking process, travel consultant service, and more.
Kiwi.com - Find and book the best low-cost flights all around the world
Tripcatcher - Tripcatcher is a mileage app to keep track of travel expenses.
App in the Air - The perfect companion for everyone taking a flight.