Dropsource - Mobile development platform for building native iOS & Android apps
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
GoodBarber - GoodBarber is a mobile app creation platform.
ZBrush - ZBrush is a digital sculpting and painting software solution.
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!
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.