Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Eventjoy - The Easiest Way To Organize An Event
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
EventNinja - Transform your Eventbrite account into rich metrics
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
MyHub iOS - Facebook Events meets Venmo