Semantic Bundle[edit]
A great way to get all the goodness of SMW in an easy way. Semantic Bundle Maintained by Yaron Koren. If you run MW 1.22+ and use Composer, don't install SB (use Composer instead).
MediaWiki for Intranet[edit]
http://wiki.4intra.net/Mediawiki4Intranet From the same guys that make http://wiki.4intra.net/Wikilog One interesting aspect of this extension is that it provides documentation that can be installed along with the extension.
