Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Airbnb - Book unique places to stay and things to do.
KAYAK - KAYAK is a travel search engine that searches hundreds of other travel sites at once. Our helpful tools & features find you the information you need to make the right decisions on flights, hotels, rental cars and vacation packages.
Nomadago - Nomadago keeps frequent travelers connected and assists with planning through a social app for sharing travel plans, inviting friends, seeing locations, and getting notifications if your path’s cross.
Momondo - Find cheap flights with Momondo.
iBucket - A social bucket list apps that helps you achieve your goals & trips. Available for iOS, Android and Web. Dream it. Plan it. Do it.