Can anyone advise on an Open Source application that would enable Group Calendar/Contacts/Tasks functionality. Our organisation currently uses an old MS Outlook Client only. (No Exchange Server).
We now have approx. 100 PC's and we distribute email contacts to colleagues to update within their own PST/PAB file accordingly. Getting to the size where some sort of central management of this plus calendars/tasks would be more beneficial/effective.
Ideally it would not be over complicated to install/manage.