Guestbooks Captcha

freeCap is a GPL CAPTCHA script to stop spam on guestbooks.

developer Developer: puremango.co.uk
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


Php captcha for spam protection with refresh functionality.

developer Developer: Sanjoy Ganguly
license License: GNU General Public License (GPL)
operating systems Operating System: UNIX, Win NT, XP,


This free captcha image creator script protects from automated computer program.

developer Developer: sithu
license License: GNU General Public License (GPL)
operating systems Operating System: windows


Free Guestbooks' guestbooks are ad free, fully customizable and provide an anti spam feature.

developer Developer: Darren
license License: Freeware
operating systems Operating System: Linux, Unix, Windows


Sunshine Guestbooks is a multi-platform compatible free guestbook service has no pop-ups advertisements and no graphic banner ads at all.

developer Developer: Robert
license License: Freeware
operating systems Operating System: Unix/Linux/Windows


No Pop Ups - No Banner Ads Guestbooks is a Unix compatible guestbook for your website.

developer Developer: Robert Brody
license License: Freeware
operating systems Operating System: Unix


All guestbooks are free, highly customizable and have first class spam protection.

developer Developer: Arjen van Gent
license License: Freeware
operating systems Operating System: Windows


Free and fee based Guestbooks for your Web site.

developer Developer: e-guestbooks.com
license License: Freeware
operating systems Operating System: All


Avoid the headaches of software installation and maintenance by adding a remotely hosted guestbook to your website.

developer Developer: websitetoolbox.com
license License: Freeware
operating systems Operating System: All


Free Guestbooks provides 100% free customizable guestbooks with no ads (forever).

developer Developer: Darren
license License: Freeware
operating systems Operating System: Multi


A highly customizable PHP CAPTCHA class for generating CAPTCHA images to prevent programs from filling out your forms.

developer Developer: Drew Phillips
license License: Freeware
operating systems Operating System: *nix, Windows, MacOS


This is a CAPTCHA control for the PHP language.

developer Developer: planetsourcecode.com
license License: Freeware
operating systems Operating System: All


Phoca CAPTCHA class is a small free class to show CAPTCHA image in your form.

developer Developer: phoca.cz
license License: Freeware
operating systems Operating System: All


Securimage is an open-source free PHP CAPTCHA script for generating complex images and CAPTCHA codes to protect forms from spam and abuse.

developer Developer: phpcaptcha.org
license License: Freeware
operating systems Operating System: All


Ruby/CAPTCHA is a simple CAPTCHA ("Completely Automatic Public Turing Test to Tell Computers and Humans Apart") written in Ruby.

developer Developer: files.rubyforge.vm.bytemark.co.uk
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


identiPIC is a photo CAPTCHA system whereby a website visitor has to identify a picture to proceed.

developer Developer: identipic.com
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


The questions and answers can be specified on the /admin/user/captcha/riddler page.

developer Developer: ftp.drupal.org
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


The CAPTCHA Pack module is meant to provide lightweight, yet effective alternatives for the traditional image CAPTCHA.

developer Developer: ftp.drupal.org
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


Generation of captcha image composed of numbers without using any fonts.

developer Developer: Agnius Vasiliauskas
license License: Freeware
operating systems Operating System: Windows


The Web Wiz CAPTCHA software has been designed as a simple to implement solution that generates a security code in image format to use within web forms.

developer Developer: Bruce Corkhill
license License: Freeware
operating systems Operating System: Win