Open Courseware Consortium

No Demo sites but a great all around resource.
Home Page = http://ocwconsortium.org/

List of OpenCourseWare sites = http://www.ocwconsortium.org/use/use-dynamic.html

From the OCW website:

"An OpenCourseWare is a free and open digital publication of high quality educational materials, organized as courses. The OpenCourseWare Consortium is a collaboration of more than 200 higher education institutions and associated organizations from around the world creating a broad and deep body of open educational content using a shared model. The mission of the OpenCourseWare Consortium is to advance education and empower people worldwide through opencourseware.

The Goals of the Consortium

• Extend the reach and impact of opencourseware by encouraging the adoption and adaptation of open educational materials around the world.
• Foster the development of additional opencourseware projects.
• Ensure the long-term sustainability of opencourseware projects by identifying ways to improve effectiveness and reduce costs."