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.
SketchUp - 3D for Everyone
Ultimate Unwrap 3D - Ultimate Unwrap 3D is a standalone UV mapping software for unfolding and unwrapping 3D models.
AC3D - AC3D is a 3D software for games, virtual reality and flight simulation, scientific, medical and general data visualisation, rapid prototypes of 3D designs, 3D printing, Google Earth, X-Plane, Second Life and more.