Content management systems, Wiki's, Sharepoint services
Most Web sites on campus are using an implementation of the University of Waterloo Common Look & Feel based on a common CSS and Dreamweaver templates. This approach has been described as a Content Management Framework.
Some sites have implemented the Waterloo CLF using Content Management Systems (Computer Science). Others are making use of Wiki technology (e.g. the mypc Web site) and Sharepoint Services (e.g. IST's Course Notes).
Here's a reference to 9 best practices for implementing a website CMS.