Gigstarter - Gigstarter uses crowd funding to take the pain from arranging events.
Wikivoyage - the free worldwide travel guide that anyone can edit.
Hop - Spike makes working easier and more efficient. Saving you and your team time, sanity, and a lot of headaches.
Triptipedia - Triptipedia is a free collaborative encyclopedia of travel tips, where everyone can browse, save and share tips for better travel!
Floship - Floship is an international e-commerce order fulfillment, crowdfunding campaign, and shipping service.
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.