Captcha

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...

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...

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

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

The questions and answers can be specified on the /admin/user/captcha/riddler page.InstallationUnpack in your modules folder (usually /sites/all/modules/) and enable under Administer > Site Building > Modules. Requirements: - Drupal 5.x


Platforms: Windows, Mac, *nix, PHP, BSD Solaris

The CAPTCHA Pack module is meant to provide lightweight, yet effective alternatives for the traditional image CAPTCHA.Features - A highly configurable and math CAPTCHA, with challenges like "two plus three equals ?" or "2 * ? = 6" - Text based CAPTCHAs: - Lost character CAPTCHA: the user has to...


Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This script can be used to implement CAPTCHA validation using colored boxes that the user must click which are validated using AJAX requests.It renders a grid of boxes on which only one box is colored differently to indicate the user must click it.The script sends an AJAX request to the server...


Platforms: PHP

With this plugin you can easily install and use Ironclad CAPTCHA in your WordPress blog. 3D captcha renders several intersecting colored and rotated objects and asks user to count objects of some type. Humans can easily do it (much easier than read twisted text) and bots can't do it at all and...


Platforms: PHP

Adds CAPTCHA anti-spam methods to WordPress on the comment form, registration form, login, or all. In order to post comments or register, users will have to type in the code shown on the image. This prevents spam from automated bots. Adds security. Works great with Akismet. Also is fully WP,...


Platforms: PHP

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

This plugin adds a CAPTCHA field to your comment form, using the API provided by the Really Simple CAPTCHA plugin to provide the CAPTCHA image and validation.This plugin is fully functional, but is mostly intended to be a "proof of concept" for other plugin developers who may want to use the...


Platforms: PHP

Confident CAPTCHAd-OC?D? is a unique, image-based CAPTCHA solution that stops spam and bots in a way that is easy and intuitive for your website visitors. Rather than forcing people to decipher warped and distorted characters or words, Confident CAPTCHA presents the visitor with a grid of...


Platforms: PHP

ImHuman is a new way of asking "are you a human?" question to your website visitors. It is designed to be easy, fun, secure and user friendly than most of the other captcha systems. Security and fun grows a little bit more everyday because it uses the ImHuman globalized API and you do not need to...


Platforms: PHP

Prevent registration spam and bots login by adding custom captcha tests in the registration page and/or login pageFeaturing 5 different and customizable captcha algorithms with possibility to set your own random characters font, styles, colors background and moreFor a working demo se login and...


Platforms: PHP

Prevent registration spam and bots login by adding custom captcha tests in the registration page and/or login pageInstallation :The plugin can be installed in 3 easy steps:Download the zip plugin.Decompress the .zip archive into your plugins directory (/wp-content/plugins/) keeping zip folder...


Platforms: PHP

General InformationKeyCPTCHA is a free service providing effective protection by means of highly attractive and interactive CAPTCHA. Also, it can entertain your visitors with a nice and pleasant CAPTCHA game. A visitor of your site is offered not to guess the CAPTCHA content but restore some...


Platforms: PHP

KeyCPTCHA is a free service providing effective protection by means of highly attractive and interactive CAPTCHA. Also, it can entertain your visitors with a nice and pleasant CAPTCHA game.Our CAPTCHA protects the following forms: * Registration form * Comment form * Login form * Lost password...


Platforms: PHP

AntiBot Captcha - simple good-looking, but well-protected plugin against spam robots for your blog commentsInstallation : 1. Upload the whole AntiBotCaptcha directory into your WordPress plugins directory. 2. Activate the plugin on your WordPress plugins pageUninstalling: 1. Deactivate the...


Platforms: PHP

This module provides an unobtrusive form anti-spam method as an alternative to an HCI challege-response test such as a CAPTCHAIt differs from other spam blocking modules in two ways * Unlike Captcha and Re-Captcha no additional human-computer interaction is required. * Unlike Mollom or Akismet,...


Platforms: PHP

Animal Captcha is a lightweight plugin for WordPress that adds a captcha control on comments and register with a nice picture of an animal than any man knows, and yet a robot is unable to identify. It's nice, comfortable and very safe. Languages: English, Spanish, German, French and Portuguese....


Platforms: PHP