Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Yapp - Yapp enables users to create personalized mobile applications for their events, gatherings, and groups.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Iventlist - Create an app for your event in minutes 🎟️
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.