A simple wiki which supports Markdown syntax?
avinashv: tptacek mentioned http://instiki.org which has all your features. It's a good wiki if you're happy with a Ruby solution, and Markdown/Textile formatting is native.A PHP-solution is PmWiki, and getting Markdown support via plugin is outlined here: http://www.pmwiki.org/wiki/Cookbook/MarkdownMarkupExtension