Blender - Blender is the open source, cross platform suite of tools for 3D creation.
3D Ripper DX - With 3D Ripper DX you can:
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Sunny 3D - With ultimate simple user interface, you can create 3D model by using freehand sketch and directly...
V-Ray - Learn why V-Ray for 3ds Max’s powerful CPU & GPU renderer is the industry standard for artists & designers in architecture, games, VFX, VR, and more.
DeleD CE - DeleD is a 3D modeler and level-editor combined into one.