System for management and processing of data of a medical facility (2, 2'), with cloud storage of a public cloud and at least one viewing application held in the cloud storage for execution on a user device (8, 9, 11, 12), wherein the viewing application is configured for displaying medical image datasets held in the cloud storage, wherein the viewing application comprises the following layers in respect of its component architecture: - a View layer, comprising at least one component (53, 54) that defines the graphical content of a GUI page for display of 2D image data or 3D image data, - a ViewModel layer, comprising one component, which, for the or for each component (53, 54) of the View layer, defines functions for the control elements of the GUI page defined there for display and processing of the image data, - a Model layer, comprising one component, which defines variables for the image data to be displayed, and also - a Driver layer, comprising - a component, which is configured to load 2D datasets and edit them for display on a screen, - a further component, able to loaded or activated as an option, which is configured to load 3D image datasets or two-dimensional views derived therefrom and edit them for display on a screen, wherein the component of the ViewModel layer is generic in the sense that it defines a common set of functions for the display and processing of 2D image data and 3D image data, wherein the image datasets to be displayed are held in the cloud storage of the public cloud in such a way that there can be access to each image dataset via an associated URL, if a corresponding cloud subscription is available, and wherein the viewing application can be downloaded via an associated URL from the cloud storage of the public cloud, if a corresponding cloud subscription is available, wherein the URL of an image dataset to be displayed can be specified as an argument. - a View layer, comprising at least one component (53, 54) that defines the graphical content of a GUI page for display of 2D image data or 3D image data, - a ViewModel layer, comprising one component, which, for the or for each component (53, 54) of the View layer, defines functions for the control elements of the GUI page defined there for display and processing of the image data, - a Model layer, comprising one component, which defines variables for the image data to be displayed, and also - a Driver layer, comprising - a component, which is configured to load 2D datasets and edit them for display on a screen, - a further component, able to loaded or activated as an option, which is configured to load 3D image datasets or two-dimensional views derived therefrom and edit them for display on a screen, wherein the component of the ViewModel layer is generic in the sense that it defines a common set of functions for the display and processing of 2D image data and 3D image data, wherein the image datasets to be displayed are held in the cloud storage of the public cloud in such a way that there can be access to each image dataset via an associated URL, if a corresponding cloud subscription is available, and wherein the viewing application can be downloaded via an associated URL from the cloud storage of the public cloud, if a corresponding cloud subscription is available, wherein the URL of an image dataset to be displayed can be specified as an argument. - a component, which is configured to load 2D datasets and edit them for display on a screen, - a further component, able to loaded or activated as an option, which is configured to load 3D image datasets or two-dimensional views derived therefrom and edit them for display on a screen, wherein the component of the ViewModel layer is generic in the sense that it defines a common set of functions for the display and processing of 2D image data and 3D image data, wherein the image datasets to be displayed are held in the cloud storage of the public cloud in such a way that there can be access to each image dataset via an associated URL, if a corresponding cloud subscription is available, and wherein the viewing application can be downloaded via an associated URL from the cloud storage of the public cloud, if a corresponding cloud subscription is available, wherein the URL of an image dataset to be displayed can be specified as an argument. wherein the image datasets to be displayed are held in the cloud storage of the public cloud in such a way that there can be access to each image dataset via an associated URL, if a corresponding cloud subscription is available, and wherein the viewing application can be downloaded via an associated URL from the cloud storage of the public cloud, if a corresponding cloud subscription is available, wherein the URL of an image dataset to be displayed can be specified as an argument.