see JSLINT license ( https://github.com/douglascrockford/JSLint/blob/master/jslin... "The Software shall be used for Good, not Evil." )

Only one documented exceptions : Douglas Crockford “I give permission for IBM, its customers, partners, and minions, to use JSLint for evil.” http://dev.hasenj.org/post/3272592502/ibm-and-its-minions

More info - see HN archivum : JSLINT + EVIL https://hn.algolia.com/?query=jslint%20evil&sort=byPopularit...