Folder Marker - Change folder color in two mouse clicks for easy at-a-glance identification.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
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
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Teorex FolderIco - FolderIco allows to change the color of Windows folder in one click!
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.