WikiApiary

[ //wikiapiary.com WikiApiary] is a wiki that lists and monitors [ https://wikiapiary.com/wiki/Statistics over 21,000 wikis] running MediaWiki, along with wiki farms, extensions and skins. WikiApiary was started on December 21, 2012 and can be reached via the WikiApiary mailing list. See also the project page on Phabricator.