virtuawin portable
Free (Open Source)   

A programme offering us 20 virtual desktops where we can save our files.

deskwin

Deskwin

 1.6.1
Free   

A programme which offers us four virtual desktops extra.

virtual desktop manager
Free   
1

Four different desktops in one.

altdesk

AltDesk

 1.9.1
Free   

Multiple interchangeable desktops to work with on your computer.

virtual dimension
Free (Open Source)   

No limit to the number of virtual desktops

paperplane smart launch
Free   
3

Launch your desktop like an iPad and get instant access to your apps, games, files, URLs, and more