List of wiki engines taken from [Wiki Popularity].  Also see [Line breaks].

!!!Most Popular Open Source Wiki Engines

* [MediaWiki] - [http://meta.wikimedia.org/wiki/MediaWiki_User's_Guide:_Editing_overview]
* [Twiki] - [http://twiki.org/cgi-bin/view/TWiki/TextFormattingRules]
* [TikiWiki]
* [PukiWiki]
* [MoinMoin]
* [PmWiki]
* [DokuWiki]
* [PhpWiki]
* [MoniWiki]
* [TiddlyWiki]
* [JSPWiki] - [http://jspwiki.org/wiki/TextFormattingRules]
* [SnipSnap]
* [WackoWiki]
* [Xwiki]
* [UseMod]
* [Oddmuse] 
* [Midgard Wiki]
* [FlexWiki]
* [Zwiki]
* [TracWiki]

!!!Most Popular Commercial Wiki Engines

* [Confluence]
* [PBwiki]
* [Socialtext]
* [Wikispaces]
* [StikiPad]

!!!Other Wiki Engines
* [MicKI]
* [ProWiki]
* [SdiDesk]
* [WikkaWiki]

!!!Other Markup

* Textile
* LaTeX
* HTML
* XHTML