OsiriX available at http://www.osirix-viewer.com/
ImageJ available at http://rsbweb.nih.gov/ij/
A collection of NM plugins http://www.med.harvard.edu/JPNM/ij/plugins/TPcollection.html
Philips viewer can be found as a zip file at the lower right hand of the page at
http://www.healthcare.philips.com/main/about/connectivity/dicom_conformance_main.wpd
To open a CD using the Philips viewer, launch the program, choose “open” in the File menu, and (on the CD) select the file “dicomdir”.
PET-CT Viewer and OpenPACS (Beth Israel) available at http://www.bidmc.org/Research/Departments/Radiology/NMDownload.aspx
Basic Image Review Profile information available at http://gamma.wustl.edu/ihe/bir.html
Long list of Freeware/shareware Software List from SNM 2007 Meeting
J Wallis, MD