Some of my moinmoin experiences/extensions/modifications
PageComment3: A macro for adding comments to a page (supporting captchas with recaptcha).
BlogInclude: A macro which extends the normal Include for some Blog list enabling features.
Wikidot to moinmoin converter: I needed this to move my wiki from wikidot to moinmoin.
BlikiSummary: This macro shows an abbreviated recent changes, slightly patched by me to also show the author.
FrameParser: Version of the frame parser, which runs in 1.8.
Migration: Migration experience from moving moinmoin 1.5 to 1.8.4