DCM Viewer is a lightweight viewer for medical DICOM images, It provides analysis tools and a user interface to view, analyze, and register volumetric medical imaging data sets.

The application also provides the QuickLook plugin for Mac OS X that allows to have a thumbnail of a DICOM as an icon instead of generic one. When you trigger QuickLook it displays the preview of DICOM files.

Features:
1. QuickLook for DICOM files in Finder;
2. View and inspect the DICOM attributes;
3. Display images and Pixel data;
4. Open multiple DICOMs simultaneously;
5. Export DICOM as PNG, JPEG, JPEG-2000, TIFF.