Pmx Editor - PMX Editor is for editing 3D model data to be used in MikuMiku Dance.
DeleD CE - DeleD is a 3D modeler and level-editor combined into one.
Sunny 3D - With ultimate simple user interface, you can create 3D model by using freehand sketch and directly...
Now3D - Now3D is a 3D modeling and visualization software written in Visual Basic language.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Anim8or - Anim8or is a 3D modeling and animation program that is aimed at beginners with its intuitive and easy-to-use set of tools.