Weasis is described as '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'. There are more than 10 alternatives to Weasis for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is RadiAnt DICOM Viewer, which is free. Other great apps like Weasis are Horos (Free, Open Source), MicroDicom (Free), Miele-LXIV (Free, Open Source) and 3DimViewer (Free, Open Source).
MicroDicom is application for primary processing and preservation of medical images in DICOM format It is equipped with most common tools for manipulation of DICOM images and it has an intuitive user interface.
Miele-LXIV is a DICOM workstation, viewer and more. The project started in November 2014 as a fork of the popular open source 32-bit project OsiriX, but it has been modified to become a 64-bit application and to remove many of the limitations of the 32-bit version.
Aeskulap is a medical image viewer capable to load a series of special images stored in the DICOM format for review, query and fetch DICOM images from archive nodes (also called PACS) over the network.
postDICOM is a cloud-based DICOM Viewer and clinical documents viewer. You can upload DICOM files and clinical documents using web browsers. You can upload and view your DICOM files from PCs(Windows, MacOS, Linux), tablets and phones(IOS and Android).
Athena DICOM Viewer is a breakthrough medical imaging software, an evolution of DICOM Viewers. Developed to high production, Athena incorporates many useful resources, shortcuts and tools to have a better diagnostics and increase production.