A system is disclosed with a method for extending the appearance, functionality and/or the content of an application, such as an administrative console. In accordance with one embodiment, the invention provides a system comprising a first application that includes content which controls the appearance, content, and/or function of said first application, and a second application that includes additional content stored therein, together with an extension or alternate means for adding, and registering said second application with said first application. The content of the second application is then used to modify or extend the appearance, content or functionality of said first application.