Please be aware that the following packages are from unofficial repositories. That means they are not reviewed by openSUSE and may contain unstable or experimental software.
The Integrated GNOME Mail, Calendar, and Address Book Suite
Evolution consists of modular components (at the moment: mailer, calendar, and address book) that should make daily life easier. Because of the modular design, it is possible to plug new components into Evolution or embed the existing ones in other applications.