The Zope Content Management Framework provides a set of services and content objects useful for building highly dynamic, content-oriented portal sites. As packaged, the CMF generates a site much like the Zope.org site. The CMF is intended to be easily customizable, in terms of both the types of content used and the policies and services it provides. . The CMFCalendar product is an example of creating a CMF Product. The CMFCalendar product is also expected to be a generally useful out of the 'box' and skinnable to accommodate customization within your existing CMF instance.