GoodBarber - GoodBarber is a mobile app creation platform.
CrowdCompass - CrowdCompass offers mobile app development for conferences, meetings, conventions.
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!
Whova - Whova event app, online registration, event management software, and event marketing help you create the most engaging and organized event ever. Learn more
Dropsource - Mobile development platform for building native iOS & Android apps
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.