VectorworksVectorWorks 2011 Viewer for MacVectorWorks 2011 Viewer for Mac is a free viewer from Vectorworks to view all the files (.mcd, .vwx) created with VectorWorks FUNDAMENTALS, VectorWorks ARCHITECT, VectorWorks LANDMARK, VectorWorks MACHINE DESIGN, VectorWorks SPOTLIGHT and VectorWorks DESIGNER.
The VectorWorks 2011 Viewer for Mac enables those who do not own the program to look at and print projects created in Vectorworks 2011. And, it allows on-line collaboration between designers and clients during the creative process. Please note that the version 2009 Viewer allows users to view Vectorworks version 9, 10, 11, 12, and 2008 files as well.

Ashlar-VellumCobalt/Xenon/Argon Viewer for MacCobalt/Xenon/Argon Viewer for Mac is a free viewer from Ashlar-Vellum. It will allow you to view, share and print files created with Cobalt (.co), Xenon (.xe), Argon (.ar) and old Vellum Solids files (.vs).
Cobalt Share can read any Ashlar file and save it as DWG, DXF, IGES, STEP, ACIS SAT, CATIA V4, Parasolid, EPS (Encapsulatet Postscript), CGM, FACET, VRML, RAW, Adobe Illustrator, TXT and Micromedia W3D.

SolidWorkseDrawings Viewer for MaceDrawings Viewer for Mac is a free virewer from SolidWorks to view, print, and review all types of eDrawings® files, SolidWorks (.sldprt, .sldasm, .slddrv) and AutoCAD files (.dwg and .dxf).

AutodeskFBX Converter
Mac platformFBX Converter - Mac platform is a utility from Autodesk runs on the Mac platform and lets you convert OBJ, DXF and 3DS files to the FBX file format or vice versa. This offers the flexibility to transfer project data from one application to another quickly and easily.