freeCAD
progeCAD
MaxDesign
Autodesk FBX Plugin - 3ds Max 2008
Riptide
Knife Edge 3ds Max Exporter (KEMax)
LENTON® STEEL FORTRESS App
Sheet Lightning Pro
Halfen HIT
Adobe Acrobat 3D
Corel Grafigo
Ultimate Racer 3.0
Window Studio
DWGSee DWG Viewer
stCAD
Autodesk Customization Conversion Tools
VIViewer
AutoCAD 2012 Model Documentation Object Enabler
Autodesk Civil Design 2005
Home Plan Pro
Autodesk VIZ 2007
iClone 3DXchange
FRIENDSHIP-Framework
Model Air Design
Autodesk FBX Extensions SDK
Software picks
Software picks
Software picks