Form·Z is a 3D rendering software and surface 3D modeler. It can exchange over twenty different file formats including AutoCAD and Adobe Illustrator.

Open source graphic 3D modeller.

An advanced graphics rendering package which renders 3D interface skins from simple templates.

Digital Clay is 3D modeling and visualization software for Windows. Features 20 types of auto distortion filters, 3-D paint function and the capability to export models in most 3-D file formats.

NURBS and polygonal modeling, Subdivision Surfaces, Construction History, full OpenGL support, the advanced modeling tools, all industry leading rendering techniques, data exchange with most popular CAD and animation programs, available on both Window...

AIR is a 3D graphics renderer for Windows: it produces images of scenes exported from modeling and animation programs.

A scanline renderer, supports most of the basic RenderMan features, renders simple scenes in real time for motion preview, by J. Scott Iverson. Runs under MS-DOS.

Rhino can create, edit, analyze, and translate NURBS curves, surfaces, and solids in Windows. There are no limits on complexity, degree, or size. Rhino also has support for polygon meshes.

A powerful and accurate 3d model, scene, NURBS, animation translator. Complete scene conversion in a single integrated software package. Creates "Render Ready" models. Includes conversion options to choose from.

Tool for creating pictures of 3D plants. It simulates herbaceous (non-woody) plants like wildflowers and cut flowers, vegetables, weeds, grasses, and herbs using a parameter-driven simulation of plant growth and structure.