Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
RegOnline - Regonline is the leading online event registration, planning and management software.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.
123Signup - Event & association management for membership-based business
EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.