Added by scub almost 15 years ago
http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs:ModUserOnline
broken download link for 1.4 and 1.5 (looking for 1.5 - where can i get it?).
Its 3rd party, probably way too old to work with current versions. Use achive.org, as we moved away from trac some time ago.