20 Free & open source DICOM viewers for Windows

20 Free & open source DICOM viewers for Windows
Note: This article is an Evergreen article. It will receive continuous updates of the listed applications. You can save it and return to it as an updated resource.

Finding the right DICOM viewer is hard, there are plenty of commercial paid programs come with different features, options, and of course support. Fortunately, there are many free DICOM software without obligation to users to pay unless they require support.

We make this list to help the doctors and medical students find quality based and free DICOM apps.

1- Onis

Onis is a professional  DICOM viewer build originally as commercial DICOM but the company released a free edition with some limited options but rich functionalities. Onis is a modular application it supports a wide range of plugins however some plugins are limited in the free edition

2- Open Dicom Viewer

Open DICOM Viewer

Open DICOM Viewer is an open source cores-platform DICOM application built with Java, It has a portable feature as it can work standalone to view patient's DICOM images on CD/ DVDs.

3- Aliza Medical Imaging & DICOM Viewer

Aliza Medical Imaging & DICOM Viewer

Aliza is a DICOM viewer that supports multiple modalities and formats. It has been released for Windows and Linux ( Debian, Ubuntu, Fedora, and Redhat). Aliza is in active development and it's getting upgrade often by an active team of developers. Aliza supports  3D and 2D format.

4- Dicompyler

Dicompyler open source DICOM viewer for Windows, Mac OSX, and Linux

Dicompyler is an open source DICOM player for Windows, Mac OSX, and Linux.  It's a lightweight program with simple user-interface and multiple options.

5- Agnosco - Free DICOM Viewer

Agnosco - Free DICOM Viewer

Agnosco is a free DICOM viewer for windows, It supports opening DICOM images from the local network, drives and removable media devices like USB sticks. It has easy to use interface, with the support of time frames. Agnosco has advanced image viewing tools and query option for images meta fields. Agnosco has not been updated since 2011 but it is still used around the world as it works with the newer versions of Windows system.

6- AlgoM DICOM Viewer

AlgoM DICOM Viewer is a powerful free software, It works out of the box without installation, Algom runs directly from the PC or from within a flash-drive. It exports DICOM images to multiple formats as multimedia formats plus images formats.

7- Weasis: Open source viewer

Weasis: Open source DICOM viewer ( Windows, Mac OSX and Linux )

Weasis is an open source DICOM viewer, It runs on Windows, Mac OSX and Linux. It has enterprise-grade features and options for radiologists. It was built to be used in hospitals and radiology centres. It was released as an open source under EPL license. The code is available at GitHub repository.

8- JiveX DICOM Viewer

JiveX DICOM Viewer is full-featured Dicom viewer released as free software to be used for non-commercial uses. It supports DICOM images, ECG, PDF files. It has been released for Windows 7, Windows 8.1 and Windows 10. It can display DICOM images from the local network, the PC, CD/DVD, and USB flash drives. It does not support PACS.

9- MicroDicom

MicroDICOM is the most famous DICOM viewer on this list, It has been downloaded over than 1 million times, and begin used around the world by professionals.

10- Sante DICOM Viewer Free

Sante DICOM Viewer is a free DICOM image viewer, It works as a standalone and as a portable within CD/DVD to display DICOM images from DICOM directory. Sante has 2 editions the Pro edition is a commercial paid comes with PACS support. It's free for non-commercial use.

11- Navegatium DICOM Viewer

Navegatium supports touch screens built to be used on Windows tablets and Windows PCs. It has many useful features beyond displaying DICOM images as X-Ray reconstructions and 3D viewing options.


AMIDE is an open source and free DICOM viewer, built to be cross-platform on Linux, Windows and Mac OSX. Its enterprise-grade software with rich features to help radiologists analyze and diagnose, It was released as free open source software and begin used by professionals around the world.

13- 3DimViewer

3DimViewer is a simple DICOM viewer with simple user-interface but powerful features, It has been distributed as an open source solution. It supports Windows, Mac OSX, and Windows.

14- SMILI DICOM viewer


SMILI is a cross-platform DICOM viewer, It offers the user with image enhancement options to display and analyze DICOM images. It has advanced algorithms built within the easy user-interface.  SMILI is released as an open source software under BSD 3-Clause license.

15- Athena DICOM Viewer

Athena is a lightweight DICOM software, designed to display DICOM images on Windows machines.  It's available in the Windows app store and offers an in-app purchase for additional options an features. Athena has a very simple custom design built for touch screens including Windows Tablets and wide resolution touch screens. Athena Lite edition comes with one month free for Athena pro editions which can be extended later with purchase.  Athena was built by native windows technology so it's expected to be memory wise with smooth performance.

16- Cobra DICOM viewer

Cobra DICOM viewer

Cobra is a features-rich DICOM viewer for windows, It supports different modalities.

17- Mongo

Mongo is a free cross-platform DICOM program that supports multiple unique formats as well as DICOM images. It's available to use as free software for non-commercial use. It's developer friendly with nice and easy user-interface. It supports developers to build and extend it with powerful scripting languages as for Python and Java. It's highly modular and extensible with plugins and modules.

18- Ginkgo CADx

Ginkgo CADx is an advanced DICOM viewer and dicomizer (converts png, jpeg, bmp, pdf, tiff to DICOM). It works on Windows, Linux and Mac OSX. It has simple user-interface but advanced features designed for radiologists. Ginkgo is in active development and it has been released as an open source for personal and commercial use under GPL3 license. It offers Windows, Linux and Mac OSX installation packages.

19- DICOMscope - DICOM Viewer

DICOMscope is a free dicom viewer for Windows systems, It supports multiple DICOM modalities. DICOMscope is an old software but it still runs on the new Windows versions.

20- xMedCon

xMedCon Is an open source free dicom software, It supports multiple formats for medical imaging including many dicom modalities and Acr/Nema 2.0, Analyze (SPM), Concorde/µPET, DICOM 3.0, CTI ECAT 6/7, NIfTI-1, InterFile3.3, and PNG or Gif87a/89a.
xMedCon supports multiple file exports including gif animated images.

xMedCon can work in Windows machines as well as MacOSX, Linux. It has multiple binaries and packages available to download and use for free in different systems.

xMedCon is in active development since years and receiving frequent improvements and upgrades.

If you know any other DICOM viewer for Windows which is not listed here please, drop us a comment.

20 Free & open source DICOM viewers for Windows
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