Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Audience View - Audience View is a cloud-based ticketing solution created for the performance arts industry and suitable for both profit and commercial uses.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
B3App - B3App is an event organizing and management platform that helps people throw, run and manage events.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
TicketingHub - Next generation of Ticketing