Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
GoodBarber - GoodBarber is a mobile app creation platform.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Ticket Tribe - Sell tickets online with no fees per ticket
Dropsource - Mobile development platform for building native iOS & Android apps