Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Sygic Travel Maps - Itinerary planner for independent travelers

Partle - Revolutionizing the way people get together

Tripsy - Planning your trip has gotten much easier.

Velcome - Get Price quotations for tour activities in Zanzibar delivered to your inbox in minutes

Wanderlog - Collaborative travel planner with combined itinerary and map