Hogan.js is a 3.4k JS templating engine developed at Twitter.
http://twitter.github.io/hogan.js
JavaScript Libraries and Functions · Framework
Get access to data on 88,940 websites that are HoganJS Customers. We know of 14,051 live websites using HoganJS and an additional 74,889 sites that used HoganJS historically and 10,280 websites in the United States.
Get a list of 88,940 websites using HoganJS which includes location information, hosting data, contact details, 14,051 currently live websites and an additional 66,082 domains that redirect to sites in this list. 74,889 sites that used this technology previously and 10,280 websites in the United States currently using HoganJS.