Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
EventTitans - Top rated event management software
Ticket Tribe - Sell tickets online with no fees per ticket
Tix - Tix is a state-of-the-art, cloud-based ticketing system that features fully integrated access controls, event management controls, multi-channel distribution capabilities, and a robust reporting suite.
PromoTixApp - PromoTix is the world's first and only free online ticketing platform for events. Use PromoTix to create and ticket events, market events, and monetize your live stream event with secured and ticketed unique URLs online to the world.
Brushfire - Brushfire offers tools for online registration and event management.