egroupware-calendar 1.4.004-2.dfsg-4.1 (i386 binary) in ubuntu jaunty

 eGroupWare is a web-based groupware suite. It is a flexible framework
 capable of hosting applications such as group calendar, addressbook,
 e-mail, accounting, inventory, and more. These applications share a
 user store and a flexible access control system to control information
 sharing. At the core there is an API for PHP that allows creating new
 web-based applications that work within this framework.
 .
 This eGroupWare application provides a powerful calendar with a meeting
 request system, alarms, iCal and e-Mail support, and ACL security.