One of the wikis (or pseudo blog) we have found useful is PBWorks. PBWorks can be found at http://pbworks.com/.
This link provides a nice overview of the features:
http://pbworks.com/content/edu+features. This site lets you create a collaborative space for your students. You have the ability to provide web links, video, and other open source files like Glogs. You can control the degree to which they can participate and student email accounts are not required.
Support Center: This page gives you access to the online user's manual, the PBWorks blog, and webinars.
Free Online Training: Webinars and Videos
Academic Case Studies
To begin.. go to this link https://plans.pbworks.com/academic/ and select BASIC (it's the free one!). You are limited to 1 classroom account workspace, 100 users, 2 GB of storage, limited customization and no backups. Begin by setting up your security settings and adding your users. HELPFUL tip: The three primary levels of users are:
And a more detailed list of each user level:
User Permission Levels