Folder Marker - Change folder color in two mouse clicks for easy at-a-glance identification.
Folder Painter - Folder Painter is an easy to use Portable Freeware program, which allows you to change the color of the icon representing a chosen folder to any color you like
Folder Colorizer - Windows Explorer is too boring? Color it up!
Dr. Folder - Customize windows folder
CustomizerGod - It lets you customize almost any part of Windows according to your taste.
IconPackager - Change your Windows desktop icons at once with IconPackager.