Hinge - Find people you want to date through your friends on Facebook.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Tinder - Tinder is how people meet. It's like real life, but better.
Partle - Revolutionizing the way people get together
Cuddli - Dating for geeks
Velcome - Get Price quotations for tour activities in Zanzibar delivered to your inbox in minutes