With high performance and an intuitive interactive user interface, OsiriX MD is the most widely used DICOM viewer in the world. It is the result of more than 10 years of research and development in digital imaging. It fully supports the DICOM standard for an easy integration in your workflow environment and an open platform for development of processing tools. It offers advanced post-processing techniques in 2D and 3D, exclusive innovative technique for 3D and 4D navigation and a complete integration with any PACS. OsiriX MD supports 64-bit computing and multithreading for the best performances on the most modern processors. OsiriX MD is certified for medical use, FDA cleared and CE II labeled.
The Osirix project recently switched to a proprietary license that does not conform to the definition of free/libre open source software. Horos is a fork of the original source code and licensed under a LGPL.