1)   Multi Desktop 3.00
Ever wished you had several screens on you desktop? Multi Desktop is a virtual desktop manager which will create up to 4 virtual desktops allowing you to have different windows open on each of desktops.

 2)   AnotherDesk 2.01
AnotherDesk is a virtual desktop manager that creates multiple desktops. It is small, stable, fast, easy to use and can improve your efficiency.

 3)   9Desks 1.5
9Desks is a program that permits you to have up to nine virtual desktops for better application management. This means that you can work in a more clean environment dividing active applications in more desktops.