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

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

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

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

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

Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.