Posterist - Create beautiful photo collages in minutes on your Mac
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
FotoJet - Free Online Graphic Designer | Collage Maker | Photo Editor
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
QwikBanners - Get your display network campaign going in few clicks, generate all sizes in few seconds, no coding or design skills required
ZBrush - ZBrush is a digital sculpting and painting software solution.