New extensions on a wish list
From semantic-mediawiki.org
Fragment of a discussion from Talk:SMWCon Spring 2015/So you want to write an SMW extension
Sorry for the delay! The poorly-maintained extensions are a real problem - part of the role of WikiWorks and other such companies, in my opinion, is to provide more of a guarantee of continuity for code. And it would be great if mediawiki.org offered more of a sense for the current state of extensions, through ratings and such - which is something that has been discussed often, but hasn't occurred. As for a "dropbox", there's the SMW mailing list, and Wikimedia's Phabricator...