Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
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.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
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.
XYplorer - File Manager for Windows
iCollections - Organize your Mac desktop items.