IBDesk 

Nice software which enables multiple desktops in Windows. Desktop switching is done via tray popup menu or customized hot keys. Provides different display settings and separate autorun lists for each desktop. Widens workspace, increases productivity.
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Oban MultiDesk Expert 

Real powerful multiple desktop management tool, a welcome, low-overhead way to expand their work spaces. Up to 9 additional virtual desktops allow you to divide all windows leaving you with a less cluttered environment in which to work
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