Fences - Keep your desktop organized with Fences. This is a simple software program that allows you to sort the tabs on your desktop and create files that are easily recognizable to you.
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').
iCollections - Organize your Mac desktop items.
Sysinternals Desktops - Desktops allows you to organize your applications on up to four virtual desktops.
TAGO Fences - TAGO Fences is a simple, lightweight, and handy application that is specially designed to help users organize their desktop icons in several areas known as Fences.
9Desks - up to nine virtual desktops