10 The most famous Captcha Script

10 The most famous Captcha Script.  Captcha's most famous, do you ever find a unique code when you want to send the data on the registration e-mail or comment in the forum? Captcha's code. CAPTCHA is a program that protects websites against spam bots. For example, humans can read text from the form of images, but current computer programs can not read the text. Here are some Web sites that provide a CAPTCHA script to protect your website from spam bots attack.

1. CAPTCHA (http://www.captcha.net/).
CAPTCHA is a free script which you can use. Easy to install and control plugin available for WordPress, MediaWiki, PHP, ASP.NET, Perl, Python, Java, and others. reCAPTCHA is also equipped with audio test.

2. reCAPTCHA (http://recaptcha.net/)

reCAPTCHA is a free service that helps prevent abuse of your site (such as comment spam or fake registration) by using a CAPTCHA to ensure that only human beings who perform the act.
3. Securimage (http://www.phpcaptcha.org/)
Securimage an open-source PHP script for free CAPTCHA to generate complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added to your website to provide protection from spam bots. It can run on virtually any webserver as long as you have PHP installed, and GD support within PHP.
4. Captcha Code Creator (http://www.captchacreator.com/)
Captcha Code Captcha Creator is a PHP Script that generates Captcha images. Easy to install on any web hosting account, it is very customizable and easy to configure. You can specify the size of images, text and background colors, fonts used, the number of letters and numbers displayed, background, and more.
5. Captcha Genie (http://www.captchagenie.com/)
Genie is a Captcha scripts and software to make the math captcha code words in a web form. Easy to install and deploy on any web form, automatically stop all deliveries and ensure that only people who can do that. Captcha Genie is very easy to install and can be fully customized.
6. Webspamprotect (http://webspamprotect.com/)
It is a professional PHP CAPTCHA script that protects your site from spambots. You can adjust: - Type text - The text - Background Color - Font color - The border color - The size of the image - Font type - Font size 
7. Open Captcha (http://opencaptcha.com/)
Captcha is the most effective method of universal current to prevent spam. While services like akismet and linksleeve provide valuable protection, they rely on the widespread adoption to be successful.
8. Internet Captcha (http://www.icaptcha.com/)
 Internet Captcha is designed to protect your html forms where users send information to other users. A robot can automatically send a lot of system information or to send spam continuously to publish. With the only man who can complete the captcha security code and the only man who can use your web page.
9. Hello Captcha (http://hellocaptcha.com/)
HELLOCAPTCHA announced a new generation of CAPTCHA (wikipedia.org / wiki / CAPTCHA).
10. EasyCaptchas (http://www.easycaptchas.com/)
EasyCaptchas is the easiest way to add Captcha functionality to your website. There is no software to install We serve captcha images and validate form input. Fully customizable captchas are just minutes away. May be useful

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