Springtomize - Tear down the walls
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.
Cylinder - Sexy homescreen icon animations
iCollections - Organize your Mac desktop items.
Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
Zeplin - Collaboration app for UI designers & frontend developers