Booking.com - Find your next stay. Search deals on hotels, homes, and much more...
NewsWhip - Chrome extension that checks how viral your content is
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.
Viral Coefficient Calculator - Calculate a viral referral loop for apps
Sygic Travel Maps - Itinerary planner for independent travelers
Promo Self Serve - Launch a promotion across the internet in 90 Seconds