Gekko

Gekko is a Virtual Desktop Manager for the Microsoft Windows platform, and provides virtual desktops (also called 'WorkSpaces') much in the same way X Window System in Unix and PC Unix does.

You can have different programs running on each of WorkSpaces to organize a busy desktop. Key features Gekko enables you to split your Desktop into up to 4 WorkSpaces. It has Various ways, such as Hotkeys, mouse-clicking, flip, etc. to switch between WorkSpaces. It has Visual Effects, such as Cube on switching between WorkSpaces.