Captcha

HIOX Captcha Image maker script can be used to create a random captcha image on every reload of the page. The image is created by using the combinations of 62 alphanumerical characters. This type of human authentication becomes necessary for form submission pages because only a human can copy... Platforms: PHP

This is simple and powerfull feedback form protected with "Captcha ZDR" tool writen in PHP This script is ready for integration in your pages. The FeedBack form using PHP, HTML, AJAX, JavaScript, CSS You need just put your email address in $email_recipient to receive messages from that feedback... Platforms: Windows, Linux

High security password manager + AntiKeyLogger + virtual keyboard + CAPTCHA. Easy to use and free. You can create as many fields per entry as you need. Portable version. File protection and data theft prevention. The synchronization of files on multiple drives for data loss protect. Some... Platforms: Windows

Captcha PHP is a PHP class library that works without cookies. It is extremely easy to integrate into existing sites and your < form > processing logic. And it requires no database. It strives to be more user-friendly. It gives visual feedback while you enter a solution (AJAX). And it accepts a... Platforms: *nix

Calculate the steam consumption for a turbine of known power and efficiency. Required data are inlet steam pressure and temperature, and exhaust steam pressure. Program will determine steam consumption and outlet steam enthalpy. Steam properties are built in. A wide variety of units of measure... Platforms: Windows

Authen::Captcha is a Perl extension for creating captchas to verify the human element in transactions. SYNOPSIS use Authen::Captcha; # create a new object my $captcha = Authen::Captcha->new(); # set the data_folder. contains flatfile db to maintain state... Platforms: *nix

PINoptic Secured Storage uses the patented security access control called a One Time Visual Probablistic password (OTP) combined with industrial and military grade encryption to keep your private content private to you or those you choose to share your PINoptic Passcode with. Different types of... Platforms: Windows

QuSmart CAPTCHA test used in computing to ensure that the response is not generated by a computer. CAPTCHA also prevents automated registrations on your website, verify if user is real, prevents spamming. -Verify if user is real -Prevents spamming -Redirect to web page -Rate limiting... Platforms: Windows

Plone Captchas (qPloneCaptchas) is a simple captchas implementation for Plone, designed for validation human input in insecure forms. This is a standalone implementation with static captcha images, which does not depend on captchas.net services.Plugs to: - default Plone discussion mechanism -... Platforms: Windows, Mac, *nix, Python, BSD Solaris

paptcha is a PHP function that produces random numbers and results for a CAPTCHA program. paptcha project takes 3 arguments: the number of digits to produce, the number of choices to produce, and a flag to indicate whether the results should be images or not. Platforms: *nix

JibberBook is an open source, easy-to-use and free PHP guestbook script built with PHP 5.0 and Ajax. The guestbook aims to create a pleasant user experience while giving you much flexibility.If you don't like the quick and easy default XML guestbook, you can switch to MySQL guestbook. Users with... Platforms: PHP

It makes use of several spam protection techniques including captcha images, flood protection, auto-censor, random field names and post moderation.InstallationUpload all files to your server  Create a database (if it is not already done)  Run the installer at /installation/install.php  Follow... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This is a CAPTCHA control for the PHP language. It outputs an image for "img" tags and is 100% customizable. Simply set the settings and reference the path to the php file from an "img" tag's src attribute.Usage - Insert the following code into a file called captcha.php. When calling it, do so... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

freeCap is a GPL CAPTCHA script to stop spam on guestbooks. It can be used to prevent spam on any form; comment areas, signups, shopping carts - any area of your website where you fear the evil spammers may target. freeCap PHP CAPTCHA boasts a host of features, not only does it offer strong... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

100% MVC structure follow. It is a simple guestbook include captcha system also. JE Guest Component is an open source Joomla guestbook component with spam protection and many customization options. Guest user add your story and see all guest userd-deOaos guestbook detail. JE Guest Book component... Platforms: PHP

jhfCAPTCHA is a free php script that creates CAPTCHA images. Included is a simple web page that shows a CAPTCHA and asks the user for the code. Platforms: Windows, Mac, *nix, PHP, BSD Solaris

A CAPTCHA for your comment system to prevent unwanted spams. Prevent automated spams by bots and most important naughty peoples. It's simple and yet secure.Installation :Extract the zip file content after download. Navigate into the directory and COPY the directory name "simpleCAPTCHA" (v1.4.0b... Platforms: PHP

Legitimate comments that get blocked can be presented with a captcha to confirm that the comment is legitimate.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.3 up to 2.6 Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Only users with JavaScript disabled have to undergo a CAPTCHA test.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.0.3 or higher Limitations: - It is not able to check trackbacks. Platforms: Windows, Mac, *nix, PHP, BSD Solaris

The plugin provides several choices of captcha styles plus a random option.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.5 or higher - GD PHP extension Platforms: Windows, Mac, *nix, PHP, BSD Solaris