Best PHP Scripts
~ Captcha Scripts
CAPTCHA is a program that can differentiate between human and computer bot. Website spam has become a nightmare for most webmasters and the following CAPTCHA php scripts help in automatic bots prevent and contact form spam. Some of them include image CAPTCHAs scripts where a user need to verify randomly generated characters.
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Captcha PHP  |
| Captcha PHP is a nice class wrapper written in PHP to prevent automated form submissions or comment spam in blogs. It requires the user to properly verify and enter the dynamically generated... |
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reCAPTCHA  |
| reCAPTCHA is a free and powerful captcha script and developed at carnegie mellion university. |
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1078
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PHP CAPTCHA  |
| PHPCaptcha is a class library written in PHP to prevent spam using image and audio or visual verification. It is very easy to use this library and all you need to do is just call a function in a... |
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683
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KCaptcha  |
| KCAPTCHA is a very good script to generate strong image captchas. It is free and released under open source. It outputs close and distorted characters which makes it harder for bots to guess. It... |
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496
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Captcha Creator  |
| Captcha creator is a professional commercially available script that generates very strong captchas where only humans can recognize and verify it. It virtually makes it impossible for automated... |
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452
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QuickCaptcha  |
| QuickCaptcha provides quick CAPTCHA image functionality to any website. CAPTCHA image verification is a must use in contact forms, online forms to prevent spams and bot registrations. It runs on... |
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396
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Captcha Image  |
| A CAPTCHA (Completely Automated Public Turing to tell Computers from Humans Apart) is a program that can generate and grade tests that where most humans can can read and verify distorted text... |
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374
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Easy PHP Captcha  |
| Quick and Easy to use PHP CAPTCHA script with detailed usage instructions. |
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311
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HKCaptcha  |
| HK Captcha was written with captcha-defeating in mind. It is free to use |
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254
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BotProof Email  |
| BotProof Email is a very useful script class which hides contact emails in your website and prompts users for image verification before showing them your direct email. It requires PHP 4.1 and... |
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221
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Jax Captcha Class  |
| Jax Captcha is a PHP class for generation of CAPTCHA images to prevent spam from your website. It is free released under GPL license. |
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206
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Contact Form  |
| PHP contact form features: (1) to prevent spam, a user is required to enter a security code; (2) the script checks that all form fields are filled and that e-mail address has the correct form;... |
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163
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GBan  |
| GBan is a free IP ban script. It is free and requires PHP and MySQL to run. Use this script to block spammers and people misusing your site. |
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