http://www.k5n.us/article.php?id=0003
http://tools.waglo.com/kyucan/ — Google cache
http://www.jplprog.com/dokuwiki/doku.php?id=projetmeetup
http://www.jplprog.com/dokuwiki/doku.php?id=openmeetup
http://www.linux-quebec.org/wiki/PartageCalendrier
http://mashpit.pbwiki.com/EventOrganization
http://www.k5n.us/webcalendar.php?topic=Competitors
http://p.evnt.org/wiki/
http://height1percent.com/articles/2006/08/18/actual-lessons-from-kiko

A Free Web-based Paper Submission and Reviewing System with PC Meeting and Proceedings Preparation Support
http://comendar.sourceforge.net/
http://sourceforge.net/projects/webcalendar
http://sourceforge.net/projects/acalproj
http://sourceforge.net/projects/phpmyagenda
http://sourceforge.net/projects/ltwcalendar
http://sourceforge.net/projects/conmaster
http://sourceforge.net/projects/kronophobia
http://sourceforge.net/projects/mapcal
http://phpmyticket.com/
http://sourceforge.net/projects/vtcalendar
http://sourceforge.net/projects/groundswell/
http://sourceforge.net/projects/calpal
http://www.lewe.com/tcpro/
http://mamboxchange.com/projects/events/


http://www.scientifantastic.com/ivite/ standalone & PHP-Nuke Module $20
http://www.regonline.com/
http://www.uneinvitation.com/demo-flash.asp
http://30boxes.com/