Below is a list of well known modelers, although some may be less known.
Modeling App System Requirements Price
Wings 3D Windows: Any version; OpenGL required.
Mac OS X: From 0.98.26 (Nov 2004): 10.3 ("Panther") or higher required. Earlier releases run on 10.2 or higher. There is no Mac OS 9 version.
Linux: Open GL or Mesa required.
Other Unix: OpenGL required; you'll need to build from source.		 FREE
Blender ? FREE
PP Modeler ? FREE