"We've put together a series of side-by-side screen shots of
Outlook 2003, Evolution 18.104.22.168 and Kontact 1.1 as a visual
comparison of these three groupware rivals.
"A couple of excellent open source Outlook alternatives are
available which provide similar and additional features, such as
Novell Evolution and KDE Kontact. If you're afraid you won't have
Outlook to keep you organized in a Linux environment, you need not
fear. The following screen shots show how far the open source
alternatives have come..."