Craft is a flexible CMS system designed by Pixel & Tonic.
http://buildwithcraft.com/
Content Management System · Open Source
Get access to data on 63,792 websites that are Craft Customers. We know of 24,604 live websites using Craft and an additional 39,188 sites that used Craft historically and 10,669 websites in the United States.
Get a list of 63,792 websites using Craft which includes location information, hosting data, contact details, 24,604 currently live websites and an additional 44,383 domains that redirect to sites in this list. 39,188 sites that used this technology previously and 10,669 websites in the United States currently using Craft.