Gather - Gather allows hospitality agencies of all sizes to organize and breed productive events businesses.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
ThunderTix - Event Ticketing Software for event management. No ticket fees. Sell tickets online for live music, sightseeing tours, theaters, schools and festivals.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
AccelEvents - AccelEvents is a cloud-based non-profit software solution specializing in mobile fundraising.