Captcha
Php captcha for spam protection with refresh functionality.
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Developer: Sanjoy Ganguly
License: GNU General Public License (GPL)
Operating System: UNIX, Win NT, XP,
This free captcha image creator script protects from automated computer program.
Developer: sithu
License: GNU General Public License (GPL)
Operating System: windows
A highly customizable PHP CAPTCHA class for generating CAPTCHA images to prevent programs from filling out your forms.
Developer: Drew Phillips
License: Freeware
Operating System: *nix, Windows, MacOS
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: Bruce Corkhill
License: Freeware
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: Kunal
License: GNU General Public License (GPL)
Operating System: Not Available
Captcha Code Generator JQuery Script allows you to create random images.
Developer: Ganesh
License: Free for non-commercial use
Operating System: Windows 2000, Windows NT, Linux
CAPTCHA for ASP - human checking VB Script code to prevent automated submission of forms.
Developer: Antonin Foller
License: Freeware
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: http://www.quinti.net - ...
License: Freeware
Operating System: Linux, Unix, Windows
Easy to use contact form form script with captcha image verification against spam.
Developer: adrianTNT
License: Freeware
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: alex hom
License: Freeware
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: The Mouse Whisperer
License: Freeware
Operating System: All
WebSpamProtect.
Developer: webspamprotect.com
License: Freeware
Operating System: All
WebSpamProtect.
Developer: webspamprotect.com
License: Freeware
Operating System: All
Captcha ZDR is a powerfull captcha tool for protecting your web FORMS from annoying spammers.
Developer: Zdravko
License: Freeware
Operating System: all
A free PHP/MYSQL login script with captcha based user registration to protect website pages with login system.
Developer: pbu
License: GNU General Public License (GPL)
Operating System: Linux
SimpleCaptcha is a framework used in generating CAPTCHA image/answer pairs for Java (J2EE, Grails, JavaFX, etc.
Developer: SimpleCaptcha
License: GNU General Public License (GPL)
Operating System: Not Available
DRBImageVerification is a simple anti-spam image verification, or CAPTCHA, script.
Developer: Don Barnes
License: Free To Use But Restricted
Operating System: All
Easily create, build and generate forms that send emails with an online form wizard interface.
Developer: Alex Marias
License: GNU General Public License (GPL)
Operating System: Win
ASPired2Encode is a CAPTCHA system for adding anti spam protection to your forms.
Developer: The Net Guys
License: Freeware
Operating System: Windows
Captcha is a free to download and free to use script.
Developer: Adam Haken
License: Freeware
Operating System: Linux