* Drupal - Contacted by Boris Mann
* Flock - Contacted by ChrisMessina
* Joomla - Contacted by Boris Mann (got contact through http://www.sakic.net, being passed on to discussion list)
* Jabber - Contacted by Boris Mann (will be present with two persons)
* MozillaEurope - Contacted by ChrisMessina (will pass on to mailing list, possibly attend)
* phpBB contacted by Robert Douglass
* Wordpress contacted by Robert Douglass
* Midgard to be contact by ChrisMessina
* Plone to be contact by ChrisMessina
* RubyOnRails - David Heinemeier Hansson is a speaker (http://conferences.oreillynet.com/cs/eurooscon/view/e_spkr/2130|speaker); someone contact him to rally the RoR troops? He's based out of Copenhagen, so should have lots of local connections