DownToDash - Meet fun people based on activities & discover events!
sPortable - instant messaging, video chat and phone calls
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Team App - Team App is a platform that allows teams and groups to improve communication by creating their very own smartphone app.
Upcoming.org - A simple way to share and discover interesting events
Sporty - Beautiful app for creating/joining sports activities nearby