Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Yapp - Yapp enables users to create personalized mobile applications for their events, gatherings, and groups.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
Iventlist - Create an app for your event in minutes 🎟️
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.