Ever heard of cloudcourse ? It is an “open source” LMS from Google just released last year.
If you ever look for an interim LMS solution this might be worth a try.
More about cloudcourse: http://code.google.com/p/cloudcourse/
This most “famous” demo is currently not working:
The company cloudsource created the app “Course Director LMS” based on cloudcourse.
Two month free trial: More here
There is also a google group on cloudcourse.