Captcha Scripts

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This is a professional PHP CAPTCHA script to protect your site from spambots. You can customize: text type, code length, background color, font color, border color, image size, font type, font size. Also, you can click the refresh link to renew the CAPTCHA in case it is not readable.... (show more)

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The name of this project tells everything by itself ! It's a little captcha generator which creates human-readable check codes which will keep you away from spammers and flooders. It requires GD library, Session handling and some files linked at the bottom of this page.... (show more)

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easiCaptcha is a captcha that you can add to your web forms easily and quickly, it consists of 2 php scripts, a decrypt loader folder and a configuration file that you can use to adjust easiCaptcha's preferences if you feel you want to. You need no knowledge of scripting, in fact it can be as simple as dropping the scripts and loader folder into your form directory on your server and adding two lines of php to your form. easiCaptcha now comes with easiCaptchaM which is an additional script that uses a math question rather than an image, so now you can pick from one type of captcha or another.... (show more)

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Advanced Textual Confirmation is an universal antispam for forums, blogs, contact forms, and others. It is a smart textual CAPTCHA, which challenges site visitors only once, and then disappears. To install, no database required, no graphical libraries required, just insert one line into your script.... (show more)

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This script is a captcha script that you can use on your website to block SPAM being submitted in your forms.

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Captcha Splasher is a random image number generator security tool. Its purpose is to prevent automatic signups or signins by robots or computer programs, with the intention of spamming the system.

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ZZEE Human Pictcha is a protection in a form of an image (a captcha), which can be embedded inside your web forms, and which will filter out various forum spam, guestbook spam, form spam, signup spam, password attacks, etc. It is a library and a set of tools and examples for PHP and can be used with Perl as well. Human Pictcha is fairly easy to install and embed into your existing PHP or Perl forms. You can download a free demo version to see if it is compatible with your web site and how easy to use it in your forms. Human Pictcha comes with the full open source, which is a big advantage. - For PHP or Perl forms - Easy to setup and maintain - Full open source - Compatible with the typical webserver setup - Secure and hard to defeat by OCR - You can tune it to match your website looks - Complete documentation - Image code can consist of digits and letters or only digits - Trial download available - Online demo available... (show more)