license and runs under macOS. OsiriX source code makes heavy use of Apple idioms such as Cocoa. The source is almost entirely in Objective-C. Pixmeo company In 2010, the OsiriX Team created the company Pixmeo to promote and distribute a special limited version of OsiriX called OsiriX MD. Unlike the regular version, this version is certified for medical imaging. OsiriX MD is a FDA cleared 510k class II medical device, according to US Food And Drug Regulation CFR21 part 820. OsiriX MD complies with European Directive 93/42/EEC concerning medical devices. Under this directive, it is regarded as a class IIa. References External links Radiographics: Navigating the Fifth Dimension: Innovative Interface for Multidimensional Multimodality Image Navigation Imaging MacOS-only free software DICOM software