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 406,314 websites that are Dojo Toolkit Customers. We know of 103,230 live websites using Dojo Toolkit and an additional 303,084 sites that used Dojo Toolkit historically and 43,066 websites in the United States.
Get a list of 406,314 websites using Dojo Toolkit which includes location information, hosting data, contact details, 103,230 currently live websites and an additional 111,928 domains that redirect to sites in this list. 303,084 sites that used this technology previously and 43,066 websites in the United States currently using Dojo Toolkit.