MITK offers a powerful application featuring a plugin system and many predefined plugins. You can configure this application to offer a set of functionality to the user and easily create an installer.

Working with the application, you will have to learn about extension points and the Blueberry framework itself. If you are new to the matter, please also consult The Architecture of MITK and First steps in Development.

The BlueBerry framework extension-point reference is available here:

BlueBerry Extension-Point Reference