Xmind - Xmind is a brainstorming and mind mapping application.
GoodBarber - GoodBarber is a mobile app creation platform.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
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!
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Dropsource - Mobile development platform for building native iOS & Android apps