Booking.com - Find your next stay. Search deals on hotels, homes, and much more...
Wikivoyage - the free worldwide travel guide that anyone can edit.
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Sygic Travel Maps - Itinerary planner for independent travelers
TourPickr - Explore more than 400 000 hidden tourist places in Europe.
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.