InterMap

 PmWikiHome:  https://www.pmwiki.org/wiki/
 Category:    https://www.pmwiki.org/wiki/Category/
 MoinMoin:    https://moinmo.in/
 PmWikiUsers: https://pmichaud.com/pipermail/pmwiki-users/
 RFC:         https://tools.ietf.org/html/rfc

 Wiktionary:  https://en.wiktionary.org/wiki/
 Wikimedia:   https://meta.wikimedia.org/wiki/
 Wikitravel:  https://wikitravel.org/en/
 Wikivoyage:  https://en.wikivoyage.org/wiki/
 Wikiquote:   https://en.wikiquote.org/wiki/
 Wikinews:    https://en.wikinews.org/wiki/
 Wikibooks:   https://en.wikibooks.org/wiki/
 Wikisource:  https://en.wikisource.org/wiki/
 Wikispecies: https://species.wikimedia.org/wiki/
 Wikiversity: https://en.wikiversity.org/wiki/

 DOI:         https://dx.doi.org/$1