Wiki Engine written in Ruby

 Hiki is one of WikiWiki Web clone (Wiki Engine) written in programming
 language Ruby. WikiWikiWeb is web base collaboration tool. Hiki has
 following features:
 .
   * Simple syntax like original Wiki.
   * Theme function by CSS(Cascading Style Sheet). You can use a lot of
     tDiary themes (http://www.tdiary.net/theme.rhtml).
   * Plugin function, you can add various functions.
   * InterWiki support.
   * Categorize.