Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.

MyPostcard - Send real photo postcards and greeting cards - worldwide, from any place to anywhere.

Kiwi.com - Find and book the best low-cost flights all around the world

meeba - Meeba gives you real-time travel information and help everywhere you are from people who are there...

App in the Air - The perfect companion for everyone taking a flight.

Postsnap - Postsnap's iPhone app is the best, free postcard creator. Make & send real printed postcards, greeting cards, invitations and announcement cards using your own photos.