HotelTonight Escape - The best getaway deals for tonight (or the weekend)
Visit a City - Create your personal travel guide
MakCorps - Hotel Price Comparison API
GetYourGuide - Get tickets to the most popular attractions while travelling
Hopper - Hopper is the #1 most downloaded travel app in North America! We aspire to be the world’s best — and most fun — place to book travel.
Sygic Travel Maps - Itinerary planner for independent travelers