Wikispaces for Higher Education – FREE!
http://www.wikispaces.com/content/for/highered

We are giving away all of the features of our Plus wikis (normally $50/year).
No fine print, no usage limits, no advertising, no catches.

* Post, Publish, and Share with Ease
Unlimited pages let you and your students share text, images, files, and more.
* Set Privacy
You can decide who has access to your wiki’s content.
* Create Student Accounts
Our easy, three-step process doesn’t require email addresses.
* Embed Media
Video, audio, images, and more add impact to multimedia assignments.
* Customize Your Look
Our library of wiki themes and fully customizable colors and logos make your wiki a natural extension of your course.