Eventee - Eventee is the most beautiful and easy-to-use mobile event app for attendees.
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
GoodBarber - GoodBarber is a mobile app creation platform.
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Bizness Apps - Create your own app or become a reseller and build apps for others