For the past couple of months, I've been working on Electowidget. Electowidget is a plugin for MediaWiki designed to make it possible to conduct Internet polls and elections using many different voting systems, including the Schulze method, Instant Runoff Voting, Approval voting, and even plain old Plurality.
Tag: MediaWiki
MediaWiki OpenID patch
Looks like Dan Libby posted a [Wikitech-l] MediaWiki OpenID patch. I'll have to give it a spin after I get done with my current project.