Horos - A free, open source 64-bit DICOM medical image viewer
3D Slicer - Slicer is a community platform created for the purpose of subject specific image analysis and...
Weasis - Weasis is a multipurpose standalone and web-based DICOM viewer.
AMIDE - AMIDE: a Medical Image Data Analysis Tool
RadiAnt DICOM Viewer - PACS-DICOM Viewer. RadiAnt is a PACS-DICOM viewer for medical images designed to provide you with a unique experience.
Vesalius3D - Vesalius3D is a toolkit for visualization of patient specific anatomy