Ranked in these QuestionsQuestion Ranking
Pro Straightforward installation
You'll need Apache and Python set up. To install MoinMoin itself download the archive, open it and run setup.py from the command line.
Pro Portable version
Pro Functionality can be extended with plugins
Pro Free and open source
Licensed under GPL v2.
Pro Global recent changes RSS feed
Pro Offline sync
Pro Version control
MoinMoin allows viewing past revisions of pages.
Pro Full-text search
Pro Integrates with Xapian to allow searching through files
Xapian integration will allow searching through PDF, OpenOffice, Word, etc attachments.
Pro Reasonable selection of themes
Pro Users can create personal bookmarks
Con Attachment history isn't tracked
While it supports attachments, if an attachment is deleted, it's gone.
Con Can't limit attachment size
There's no way to set a limit on attachment sizes.