Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
klaep - music collaboration - klaep is a social music collaboration network for musicians
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Madsounds - It’s like Discover Weekly, but daily.
EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.
MisterJack - Make and share playlists