Calenco is a Web collaborative platform that enable remote teams of writers, proofreader, graphic designers, translators, etc. to produce together XML documents like user guides, security procedures, etc.
Simple Web Server with Graphical User interface. Server can be used without special knowledge. Any user can install and share folders in internet or local network. For sample you can share media files (music,video).
ivata groupware is a Groupware/Exchange/Intranet/Extranet system. Includes contacts/address book, calendar, library CMS and webmail. Java J2EE, EJB (optional), Hibernate, Struts and JSP. Runs on WebSphere/Tomcat/Resin/JBoss. See groupware.ivata.org.