====== TWiki: CAPTCHA for Registration ======

[[http://en.wikipedia.org/wiki/Captcha|CAPTCHA]] (Completely Automated Public Turing test to tell Computers and Humans Apart) is provided by the VisualConfirmPlugin.

See details on the CaptchaPlugin at http://twiki.org/cgi-bin/view/Plugins/CaptchaPlugin

As of 2006-02-17, ErfurtWiki, MediaWiki, Oddmuse, PhpWiki, TWiki and WackoWiki are reported to have CAPTCHA capabilities. [[http://www.wikimatrix.org/compare/ErfurtWiki+MediaWiki+Oddmuse+PhpWiki+TWiki+WackoWiki|Compare them]].

Back to [[http://www.wikimatrix.org/show/TWiki|TWiki details]]