In this article we have collected the best DICOM viewers for Mac OSX, starting with the native ones that uses Apple's native programming languages, libraries, and frameworks, then we proceed to the cross-platform projects. Nowadays Many doctors and medical professionals prefer Mac OSX, Though finding medical open source/ free professional software is not easy task, which forces many users into commercial solutions, That's ok if the user is located a country with such software service provider as US, but for other countries MacOSX software market is not that friendly so as medical software service providers which push their product into certain countries.