Pepakura Designer - Pepakura Designer allows you to easily create papercraft models from 3D data you create from your...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Ultimate Papercraft 3D - Ultimate Papercraft 3D is a standalone software for creating papercraft from 3D models.
FreeCAD - An open-source parametric 3D modeler
Ultimate Unwrap 3D - Ultimate Unwrap 3D is a standalone UV mapping software for unfolding and unwrapping 3D models.
Sculptris - Sculptris: Enter a world of digital art without barriers.