SketchUp - thousands of models available for download from Google™ 3D Warehouse

Google™ SketchUp is the award-winning program that delivers a completely new way to design in 3D. Google™ SketchUp is a deceptively simple, amazingly powerful tool for creating, viewing, and modifying 3D ideas quickly and easily. The most important concept of this product is "3D for everyone".

WINGS 3D - a free tool including a full set of features similar to the classical modeler Nendo

It is an immediate bonus to all iClone users to enjoy free 3D modeling for iClone 2. Wings3D is an Open-Source polygon mesh modeler inspired by Nendo. It allows you to intuitively build a 3D mesh and even assign materials to it. Wings3D is a subdivision modeler inspired by Nendo and Mirai from Izware.

ZBrush - a texture magician to turn your low-polygon model into high detailed surface result

ZBrush is the industry's leading digital sculpting and design application. Built for artists by artists, ZBrush is a unique modeling, texture painting and illustration tool that allow artists to concentrate on their ideas rather than the software.

Poser revolutionized computer graphics worldwide by merging the excitement of working with the human figure in 3D, with ease-of-use on the desktop. Poser 7 combines 10 years of development with new, high-resolution content and posing enhancements, more powerful rendering, breakthroughs in realism and animation, significant workflow improvements, plus a lot more.

DAZ|Studio is a free software application that allows you to easily create beautiful digital art. You can use this software to load in people, animals, vehicles, buildings, props, and accessories to create digital scenes.

Vue is a 3D scene generator which creates not only terrain, but also sky box/dome, props, even plants. All these models can be easily converted as iClone content with 3DXchange. 3ds format is recommended for exporting Vue scenes.