Captcha Breaker

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


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


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


Now you can protect your pages with the use of Captcha, you can now have some additional security to your web pages.

developer Developer: Kunal
license License: GNU General Public License (GPL)
operating systems Operating System: Not Available


Captcha Code Generator JQuery Script allows you to create random images.

developer Developer: Ganesh
license License: Free for non-commercial use
operating systems Operating System: Windows 2000, Windows NT, Linux


CAPTCHA for ASP - human checking VB Script code to prevent automated submission of forms.

developer Developer: Antonin Foller
license License: Freeware
operating systems Operating System: Windows


This form adds anti-spam security features and CAPTCHA - Description: **** Invulnerable secure antispam contact form **** JavaScript field validator written in php (to insert multi-language variables and other variables, if you wish) ****Prevent spammers from using your form to send garbage, guaranteed.

developer Developer: http://www.quinti.net - ...
license License: Freeware
operating systems Operating System: Linux, Unix, Windows


Easy to use contact form form script with captcha image verification against spam.

developer Developer: adrianTNT
license License: Freeware
operating systems Operating System: Linux


This script generates images for CAPTCHA ( Completely Automated Public Turing test to tell Computers from Humans Apart ) validation tests, make coded string and compare users input.

developer Developer: alex hom
license License: Freeware
operating systems Operating System: Unix


CAPTCHA has become a popular means of securing forms against automated submission, by requiring users to enter a string displayed in an automatically generated image.

developer Developer: The Mouse Whisperer
license License: Freeware
operating systems Operating System: All


WebSpamProtect.

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


WebSpamProtect.

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