Hi Allen,
	I have been wanting to try to use Mozilla Calendar to do this sort of thing. 
It seems that the backend is just a webDAV capable web server and the clients 
are all just Mozilla with the Calendar extension:
http://www.mozilla.org/projects/calendar/
http://www.mozilla.org/projects/calendar/faq.html#share

It uses ical standard.

Austin

Alan Dayley wrote:
> A few people at work want to use Outlook.  This is wisely refused by the guy handling IT, backed by management.  The email client of choice around here is Eudora.
> 
> The main thing they want is group scheduling.  What collaboration infrastructure is available to provide Outlook/Exchange "like" functionality?
> 
> General requirements:
> - Group calendaring and other collaboration.
> - Linux based server for the back end.
> - Non-Outlook client on Windows for the users.  Migration to Linux for the users is not an option at this time.  :^(
> 
> I am aware of Bynari InsightServer and Samsung Contact.  Both of these appear to focus on using Outlook as the Windows client.  Do they have capability to use other clients?
> 
> What about Free solutions?  A really good web broswer based collaboration solution could be considered so don't leave them out of the mix.