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.
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.
iCollections - Organize your Mac desktop items.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
Coodesker - Automatically organize your desktop shortcuts icons and running tasks.
ICU - Icon Configuration Utility - Restore your desktop when the icons get “rearranged”.