Craft is a flexible CMS system designed by Pixel & Tonic.
http://buildwithcraft.com/
Content Management System · Open Source
Get access to data on 60,219 websites that are Craft Customers. We know of 25,335 live websites using Craft and an additional 34,884 sites that used Craft historically and 11,089 websites in the United States.
Get a list of 60,219 websites using Craft which includes location information, hosting data, contact details, 73,956 currently live websites which includes 48,621 domains that redirect to sites in the list. 34,884 sites that used this technology previously and 11,089 websites in the United States currently using Craft.