All pages related to extensions/skins for MediaWiki.org hosted on SVN should be archived because there are unmaintained. Things which should be done are: archiving pages on Mediawiki.org and items on wikidata.org
This will be tracking task for status of doing this job.
ToDo:
* [X] [[Extension:CategoryStepper]]
* [] [[Extension:CountEdits]]
* [] [[Extension:CrossNamespaceLinks]]
* [] [[Extension:CrowdAuthentication]]
* [] [[Extension:DataCenter]]
* [] [[Extension:DataTransclusion]]
* [] [[Extension:EditConflict]]
* [] [[Extension:FixedImage]]
* [] [[Extension:FlagPage]]
* [] [[Extension:GoToCategory]]
* [] [[Extension:HideNamespace]]
* [] [[Extension:Imagetabs]]
* [] [[Extension:JIRA]]
* [] [[Extension:LinkOpenID]]
* [] [[Extension:MagicNoNumberedHeadings]]
* [] [[Extension:MathStatFunctions]]
* [] [[Extension:MetaKeywords]]
* [] [[Extension:MicroID]]
* [] [[Extension:MiniDonation]]
* [] [[Extension:MiniPreview]]
* [] [[Extension:Multilang]]
* [] [[Extension:Notificator]]
* [] [[Extension:PageBy]]
* [] [[Extension:Player]]
* [] [[Extension:Plotters]]
* [] [[Extension:PostComment]]
* [] [[Extension:PrivatePageProtection]]
* [] [[Extension:ProtectSection]]
* [] [[Extension:PSINoTocNum]]
* [] [[Extension:Redircite]]
* [] [[Extension:Redirect]]
* [] [[Extension:SearchBox]]
* [] [[Extension:Seealso]]
* [] [[Extension:Stale Pages]]
* [] [[Extension:StockCharts]]
* [] [[Extension:Tab0]]
* [] [[Extension:TalkHere]]
* [] [[Extension:TemplateLink]]
* [] [[Extension:Tooltip]]
* [] [[Extension:User Contact Links]]
* [] [[Extension:User Rights Email Notification]]
* [] [[Extension:WebDAV]]
* [] [[Extension:WhatIsMyIP]]
* [] [[Extension:WikiSync]]