CAUTION: RWiki/1.2.3 or earlier has security vulnerability. Users of 1.2.3 or earlier are highly recommended to update to 1.2.4. For more detail see
Ruby-based, supports CGI and E-mail interface, XHTML1.0 Strict, indent-based text block format (based on RD).Although the writing format is unfamiliar, it might not be called a WikiWikiClone...
The above wiki is not to be found, for a wiki (WAGN) written in Ruby on Rails see