Phoca Guestbook is Joomla! CMS component. It displays guestbook form with Captcha (8 types of Captcha) and many other different internal or external spam protection methods.
- Joomla! 1.5. Joomla! 2.5, Joomla! 3.x (stable or any later version)
- PHP 4, 5 (or any later version) with GD library (graphics library for CAPTCHA creation). See Joomla! requirements for each version.