Captcha Coldfusion

EnMask Captcha is based on encrypted text and paired with matching web fonts so user will see clearly the challenge text while the spam programs see the underlying encrypted text. Users will have much better Captcha experience then trying to guess the difficult twisted image based Captcha...

Smart invisible captcha for wordpress comments. Visitors of your website don't need to enter letters and numbers. This small plugin automatically 100% protects your website from spam in comments..installation : 1. Upload file invisible-captcha.zip to the /wp-content/plugins/ directory and...

Django Simple Captcha is an extremely simple, yet highly customizable Django application to add captcha images to any Django form.


Platforms: *nix

Lanap BotDetect ASP.NET CAPTCHA is a website security solution designed to prevent automated registrations (spambot) with CAPTCHA image. While the code cannot be read by machine (computer program), it is easily read by a human. Key features: generates CAPTCHA image with textual code rendered in...


Platforms: Windows

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

Automatically solve hundreds of captchas for use with your favorite Internet Marketing Tools such as GSA Search Engine Ranker, Scrapebox, Article Marketing Robot, Ultimate Demon, No Hands SEO and more. Captcha Sniper reduces your captcha costs and saves bandwidth.


Platforms: Windows

Hello Capttcha is a free PHP security system that can generate CAPTCHAs with animated images. It can send HTTP requests to the Web services API Web server of the HelloCAPTCHA site retrieve HTML to embed form fields and display an animated CAPTCHA image.This script can also send a request to...


Platforms: PHP

Services like Akismet and TypePad AntiSpam are great at detecting spam, but if you get lots of it then you have to trawl through the spam queue in case there are any false positives.This plugin provides a CAPTCHA complement to these spam detection plugins: * If a spam detection plugin identifies...


Platforms: PHP

This module provides a CAPTCHA which uses logic questions instead of standard visual or auditory challenges. This can help to improve the accessibility of CAPTCHAs, although it should be stated that no solution is perfect.The module uses the web service textcaptcha.com to provide logic questions...


Platforms: PHP

General InformationSweetCaptcha is a free Captcha service putting your users and your website at first priority. We are focused on enhancing the user experience on your website. Captcha services today are making life difficult for the user, and for the website owner by using an element on the...


Platforms: PHP

Anti-Captcha is a transparent captcha solution which does not require any end-user interaction. It is based on a nonce key, which is dynamically inserted using randomly generated (and obfuscated) javascript.The aim of this plugin is to prevent automated attacks (by bots) on the following...


Platforms: PHP

We are proud to announce our NEW AdEmbed feature that enables you to make extra cash $$$ with your blog!BotProof Captcha is a free anti-spam and anti-bot solution which uses a new and unique type of CAPTCHA. We offer a service that will change the way you think about protection from spam and...


Platforms: PHP

WP Captcha-Free blocks automated comment spam without resorting to CAPTCHAs. It does so by validating a hash based on time (and some other parameters) using AJAX when the form is posted. Comments posted via automated means will not have a hash or will have an expired hash and will be rejected....


Platforms: PHP

The Confident CAPTCHAd-OC?D? module 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...


Platforms: PHP

Gab Captcha 2 is an efficient and simple captcha plugin for WordPress comments.It adds an easy turing test before each comment form. The turing test consist in typing the characters that appear emphasized and red in a text field. The plugin will add an entry in your WordPress administration area...


Platforms: PHP

Secure & Monetize your site with Solve Media's free CAPTCHA replacement.CAPTCHA is a simple and popular method of securing forms from abuse. Solve Media has created a patent-pending technology that turns CAPTCHA into branded TYPE-INsd-OC?D?, allowing you to earn money while you secure your site....


Platforms: PHP

TheThe CAPTCHA uses two easily understood types of tests (generated graphics and simple math logic) to block both registration form spam and comment spam.Choose from a number of colors, sizes, and symbols to customize TheThe CAPTCHA for your website. WP MU is fully supported.Installation Download...


Platforms: PHP

This plugin provides you an easy captcha without javascript, without images, without math. Only a few of CSS and a few of server side. An hidden text input is placed in comment form a human cannot see it so a human cannot compile it, a spambot otherwise see the text input and is forced to compile...


Platforms: PHP

Hidden CAPTCHA is an extension to the CAPTCHA module. It offers a hidden CAPTCHA (duh!)The idea is very simple: If you offer an input box in any form, 99% of the time, robots will fill it with something before posting the form. If you offer an input box that has to stay empty, then the CAPTCHA...


Platforms: PHP

Customizable WordPress captcha contact form with frontend TinyMCE editor . WordPress captcha contact form with frontend TinyMCE editor is a widget which allows to display , on your wordpress website , a customizable contact form .WordPress captcha contact form with frontend TinyMCE editor widget...


Platforms: PHP