https://learn.bildungsserver.com/
about 7.000 registered users (pupils at high school level learning basics in business administration mostly in the context of laptop classes), insensively used site
http://www.evaluate.at/
a portal based on dotlrn's assessment, currently hosting serveral surveys running partly at large corporations
http://www.km.co.at
our own site, hardly any use of open acs features so far
http://www.learn4you.at
an dotlrn-based asp solution we are currently setting up
