Wikipedia Usability Initiative/Environmental scan

Attention: New project-dedicated website at usability.wikimedia.org. Please continue discussion and contribution there.

This page lists wiki projects and products whose usability is simplified and intuitive.

MediaWiki-Based Wiki Projects

Project	Features	Notes	Links
Uniwiki	Simplified section and category editing	UNICEF usability extensions based off of usability testing with youth in Tanzania, Africa. The UNICEF extension is now localised at Betawiki, the bugs have been fixed and it now runs against head.	Sandbox Wikimania 2008 presentation (1GB!)
Wikia	WYSIWYG Editing Flickr Import Multi-Upload AJAX Login Problem Reports Static edit bar More obvious edit buttons Simpler image upload Search suggest and link suggest Widescreen mode Help tips in the sidebar See also Talk:Extension Survey.	All of these are under the GPL at wikia-code.com	Editing Sandbox
wikiHow	Ajax Related Page Lookup
Keiki
Vinismo
AboutUs
WikiEducator	LiquidThreads

Interwiki table might be a good place to look for more projects.

Other Wiki Projects

Project	Features	Notes	Links
MindTouch		Runs on Deki
HDWiki		Chinese wiki platform used by popular wiki encyclopedia Hudong. Developed because of (perceived) shortcomings in MediaWiki. Said to be open source, but unsure.	Website (You will need someone who can read Chinese)
Wetpaint			Wetpaint
Confluence			Confluence
Wikidot			Example Site

Comparisons

It's interesting that Mozilla Developer Central runs on deki, Firefox Support on TikiWiki, MozillaZine Knowledge Base on MediaWiki. Perhaps these are some good places to make some comparisons.