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.
3D Slicer - Slicer is a community platform created for the purpose of subject specific image analysis and...
Horos - A free, open source 64-bit DICOM medical image viewer
3DimViewer - 3DimViewer is a 3D viewer software for medical DICOM datasets that is written in C++, effectively runs on MAC OS, and Linux systems.
AMIDE - AMIDE: a Medical Image Data Analysis Tool
Weasis - Weasis is a multipurpose standalone and web-based DICOM viewer.