9
In pedagogical viewpoint Moodle is the best according to (thers a long article, so Ctr+F ;)
http://www.xplana.com/whitepapers/archives/Open_Source_Courseware
but I am interesed what
what will add-up if You modularize it for xoops? - it has nearly optional collection of features
(I mised just ability to comment on eatch given activity)
( ah, well, adn maybe ability to import html files ..)
anyway, maybe I would also try to help a little somehow, good luck to us all