Wikis that use MoinMoin:

• this one :)
• [wiki:EfnetCeeWiki:FrontPage IRC channel #c]
• [wiki:EfnetCppWiki:FrontPage IRC channel #c++]
• [wiki:EfnetPythonWiki:FrontPage IRC channel #python]
• [wiki:EfnetXmlWiki:FrontPage IRC channel #xml]
• [wiki:PythonInfo:Python20Info Python 2.0 Info Area]
• YasushiIwata's Home Page (Japanese - gives a 404 error … should be deleted?)
• Wiki for the Piper project
• CultureWiki (online again, but still dead)
• TrikiWiki (private wiki for the Transformers holiday - uses a mildly hacked MoinMoin)
• Keiteedot (Slash like wiki in Japanese)
• WikiArea (Japanese)
• Thinki
• Photo Wiki
• cdegroot.com's MoinMoin
• SeattleWireless
• PersonalTelco
• BC Wireless
• Alberg Wiki
• LiViD Wiki
• GStreamer Wiki
• The Lighting Wiki

For more wikis, see the InterWiki list.