YPlan VS Hop

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

Funnster - The best way to get together with your friends and family

PartyUP - See videos from the best nightlife venues in your city.

Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

WOOdate - Find, customize, and plan your entire date in one place.

Circus - Fastest way to see who's going out and where they are going