Horos - A free, open source 64-bit DICOM medical image viewer
Morpholio Trace - Morpholio Trace is widely called to be the dream software of the designers and architect.
MicroDicom - DICOM viewer. MicroDicom is a free DICOM viewer. Export to the most common picture formats, movie, clipboard. It is equipped with most common tools for manipulation of DICOM images.
Qlone - 3D scan any object with your iPhone or iPad
Materialise Mimics - Materialise Mimics is software specially developed by Materialise for medical image processing.
DWG FastView - DWG FastView for Windows is a lightweight dwg/dxf drawing viewer and editor produced by Gstarsoft, no need of dwg format conversion, vector graph magnified without distortion and full compatible with AutoCAD DWG/DXF.