Dojo is an Open Source DHTML toolkit written in JavaScript. It builds on several contributed code bases (nWidgets, Burstlib, f(m)), which is why we refer to it sometimes as a "unified" toolkit.
http://dojotoolkit.org/
JavaScript Libraries and Functions · Framework
Get access to data on 302,043 websites that are Dojo Toolkit Customers. We know of 129,824 live websites using Dojo Toolkit and an additional 172,219 sites that used Dojo Toolkit historically and 61,670 websites in the United States.
Get a list of 302,043 websites using Dojo Toolkit which includes location information, hosting data, contact details, 318,768 currently live websites which includes 188,944 domains that redirect to sites in the list. 172,219 sites that used this technology previously and 61,670 websites in the United States currently using Dojo Toolkit.