Folder Marker - Change folder color in two mouse clicks for easy at-a-glance identification.

IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.

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

Aseprite - Aseprite is an art program dedicated to the creation of pixel art.

Dr. Folder - Customize windows folder

VistaCreate - The VistaCreate is a free and global digital platform which is known for sharing, searching, finding, and creating great art.