Novell Evolution is a personal information manager for Linux that combines e-mail client, calendar client, and address directory client.

More Information about Novell Evolution 

• Evolution Project Homepage
• Novell Evolution Homepage 

Novell Evolution Alternatives 

• Microsoft Outlook
• Mozilla Thunderbird
• Apple Mail, Apple Addressbook and Apple iCal

Mindquarry integrates with Novell Evolution by publishing task lists in iCalendar format which can be subscribed from Novell Evolution.