Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Bizness Apps - Create your own app or become a reseller and build apps for others
Yapp - Yapp enables users to create personalized mobile applications for their events, gatherings, and groups.
GoodBarber - GoodBarber is a mobile app creation platform.
Iventlist - Create an app for your event in minutes 🎟️
Fuse - Fuse is a UX tool suite for mobile app designers and developers.