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

!!!Most Popular Open Source Wiki Engines

!![MediaWiki]
!![Twiki]
!![TikiWiki]
!![PukiWiki]
!![MoinMoin]
!![PmWiki]
!![DokuWiki]
!![PhpWiki]
!![MoniWiki]
!![TiddlyWiki]
!![JSPWiki]
!![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