Parallels Workstation is a fast virtualization solution that enables you to run multiple operating systems simultaneously on your Windows or Linux workstation.

Parallels Compressor Server is a complete professional-grade, easy-to-use disk management tool that helps save storage costs by compressing Windows virtual servers or workstations by 50% or more.

screensaver-settings provides an almost identical interface to that provided by gnome-screensaver-preferences but with the addition of a 'Preferences' button that will let you change the settings of any of the screensavers in your system.