Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Online 3D Model Converter - free online 3D model converter, upload a model and export it into popular formats
MeshLab - System for processing and editing 3D triangular meshes, provides a set of tools for editing...
noesis - Rich Whitehouse's project web site.
Autodesk FBX Review - FBX Review is a lightweight, standalone software tool for viewing 3D assets and baked animations...
3D Object Converter - 3D Object Converter, a powerful 3d polygon model translation and interactive viewing shareware tool...