Promo Self Serve - Launch a promotion across the internet in 90 Seconds
Booking.com - Find your next stay. Search deals on hotels, homes, and much more...
YesGraph - Boost viral growth by recommending who users should invite
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.
Thunderclap - Amplify any message using social media.
Sygic Travel Maps - Itinerary planner for independent travelers