"Fossil is a distributed software version control system that includes an integrated distributed wiki and an integrated distributed bug-tracking system all in a single, easy-to-use, stand-alone executable." From the creator of SQLite.

"Nanoki is a simple, elegant wiki engine implemented in Lua."

"This extension enables a more intuitive WYSIWYG editor when editing pages on a MediaWiki-based site. It uses a special version of the FCKeditor WYSIWYG editor that outputs wiki text rather than the usual HTML that caused problems for MediaWiki integrations in the past."

Wikidot.com is an online service that provides (free) Wiki Sites and runs the Wikidot software.

"The collective library of Linux knowledge for Ars Technica." (Well from the Ars forums anyway)

Popular Linux/Mono wiki software for your N800

tiny wiki, perfect for embedded browsers and mobile devices. you'll need to host it yourself (php, apache, no database required)

"QEDWiki is a browser-based assembly canvas used to create simple mash-ups." Could be useful for prototyping?

Lots of helpful links to scripts and applications

"The goal of the project is to create an open source software product. The product we're making is a wiki engine, but where most wiki engines are geared toward pages of text, OpenRecord is geared toward loosely-structured database content."

Similar to VoodooPad for Mac OS X, it also has a surprising level of integration with other applications - like Evolution.

Congressional Staffers seem to be vandalizing US gov't related articles on Wikipedia in masse. Disapointing, hardly unexpected. The proposed IP address ban is useless in a technological sense because they'll proxy around it but the publicity from Wikipedi

Gus Mueller, developer of VoodooPad, pointed out some competition. I'll give anything a shot once.