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.
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!
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Dropsource - Mobile development platform for building native iOS & Android apps
Prekindle - Prekindle is a simple yet powerful event management, ticketing, and marketing platform that helps businesses to sell tickets to the event online and spread the word.