VirtuaWin - VirtuaWin is a virtual desktop manager for the Windows operating system (Win9x/ME/NT/Win2K/XP/Win2003/Vista/Win7/Win10). A virtual desktop manager lets you organize applications over several virtual desktops (also called 'workspaces').
Nimi Places - Nimi Places is a Windows desktop organizer that gives you the ability to put files and folders into customizable containers. The elements in the containers are represented as icons or thumbnails. Read more about Nimi Places.
Sysinternals Desktops - Desktops allows you to organize your applications on up to four virtual desktops.
iCollections - Organize your Mac desktop items.
9Desks - up to nine virtual desktops
Zeplin - Collaboration app for UI designers & frontend developers