Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Ticket Tribe - Sell tickets online with no fees per ticket
Yapp - Yapp enables users to create personalized mobile applications for their events, gatherings, and groups.
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features
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.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.