Folder Marker - Change folder color in two mouse clicks for easy at-a-glance identification.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Teorex FolderIco - FolderIco allows to change the color of Windows folder in one click!
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
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
Zabbix - Track, record, alert and visualize performance and availability of IT resources