Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
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.
Lockinfo - You can find this app in Cydia - Tweaks.
Zeplin - Collaboration app for UI designers & frontend developers