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 482,835 websites that are Dojo Toolkit Customers. We know of 144,453 live websites using Dojo Toolkit and an additional 338,382 sites that used Dojo Toolkit historically and 43,959 websites in the United States.
Get a list of 482,835 websites using Dojo Toolkit which includes location information, hosting data, contact details, 144,453 currently live websites and an additional 107,574 domains that redirect to sites in this list. 338,382 sites that used this technology previously and 43,959 websites in the United States currently using Dojo Toolkit.