Weasis is a multipurpose standalone and web-based DICOM viewer with a highly modular architecture. It is a very popular clinical viewer used in healthcare by hospitals, health networks, multicenter research trials, and patients.



Horos is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is Weasis, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Horos and 19 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Horos are Starviewer, MicroDicom, 3D Slicer and RadiAnt DICOM Viewer.
Weasis is a multipurpose standalone and web-based DICOM viewer with a highly modular architecture. It is a very popular clinical viewer used in healthcare by hospitals, health networks, multicenter research trials, and patients.



It is a medical imaging viewer capable of connecting to PACS servers, and/or open locally stored DICOM files in a DICOMDIR as well as stacks of regular image slices (PNG, TIFF, JPG...)




MicroDicom is an application for primary processing and preservation of medical images in DICOM format





Slicer is a community platform created for the purpose of subject specific image analysis and visualization.




Too complicated to set up and even more complicated to use.
Free and open source one with a lot of useful extensions. Even though the interface looks a bit cluttered, there are tons of video tutorials that will help through it and once you grab the essentials, you'll be just fine.


DICOM viewer. RadiAnt is a DICOM viewer for medical images designed to provide you with a unique experience. With its intuitive interface and unrivaled performance, you'll never look back.







All-In-One DICOM Wizard for Radiation Oncology and Radiology. DICOMan is a DICOM/DICOM-RT viewer enhanced with a set of built-in tools such as DICOM Decompressor, DICOM Pusher, DICOM Retriever, DICOM Editor, DICOM Anonymizer, DICOM Format Converter and so on. DICOMan is such a s.



AMIDE is a completely free tool for viewing, analyzing, and registering volumetric medical imaging data sets such as SPECT/PET/CT. Renderization in 3D and much more...


GIMIAS (Graphical Interface for Medical Image Analysis and Simulation) is a software framework designed to be an integrative tool for fast prototyping of medical applications. It is a workflow-oriented environment for advanced biomedical image computing and simulations, and it...


ClearCanvas Workstation is a full featured, easy to use PACS Workstation that comes in two editions: Clinical, which is FDA 510(k) cleared and intended for clinical use, and Community, which is free and open source.
DicomWorks is a free DICOM viewer and utility that allows to read DICOM images locally (CDROM, hard disk), on network (PACS), and export images to any destination by email, FTP for teleradiology.




Extensible, fully open source radiation therapy research platform and viewer for DICOM and DICOM RT.



Horos and Osirix on macs is the best option for dicom viewing. Windows software is the slow and clunky