Chris also mentioned that he read through our seminar and pointed out that Richard Stallman was the founder of free software, and not opensource/freedomware. Here's a link to the thread in TALO. Chris also provided links to Wikipedia's definition of free software and free software movement which I also added to our Wiki.
I'll have to carefully read all these definitions to get it sorted out in my head.

BTW TALO list is a great way to keep up-to-date on how educators are using software in their own practice, and generally on current issues in education.