Top Rated Scripts | PHP | Scripts & Programs | Security Systems

Security code image generator and verifier. Requires GD support (most modern PHP installations) and mySQL. No image caching required. Configurable fonts, colors and captcha lengths.

This PHP script creates an image with a security code (known as "captcha") that can be used to protect e.g. your guestbook from spam. It requires PHP 4.1.0 or higher with session support and GD library.

This is a useful script using CAPTCHA to make your PHP applications spam-proof. It takes seconds to install by simply including the Human Checker script on your page. It stops your pages being spammed by requiring users to enter a numeric code that they copy from a PHP generated image.

TheCAPTCHA - a powerful PHP script to protect your site from spambots. Free and open-source. Easy to install. TheCAPTCHA is creating much more secure from break CAPTCHA images than any script of previous generation.

Phoca CAPTCHA class is a small free class to show CAPTCHA image in your form. You can safe your form from Spam. You need PHP with GD library but you need not TTF support.

Captcha is a free to download and free to use script. You can use it to protect own pages against spammers. Uses ttf fonts which can be easily replaced.

You can use this script to add captcha to your application for preventing bots and unwanted applications to fill up your forms on site. Very easy to setup and modifiable, you can even add new fonts to it. You can also use your custom font such as popular animal font that will prevent even from OCR applications recognizing the characters. Random rotation of characters makes it very hard for software applications to recognize the characters. And on the fly word creation makes this captcha UNBREAKABLE. Each time a new word is shown to the user and never repeats.

phpMussel is a PHP solution based upon the signatures of ClamAV and others, designed to detect trojans, viruses, malware and other threats within files uploaded to your system wherever the script is hooked. When files are uploaded to your system via webform or similar that has phpMussel hooked, phpMussel will attempt to match the content of those files against a range of known viruses, malware and other common threats (signatures stored in CVD files). If no match is found, processing continues as per normal, but when a match is found, that upload will be terminated as per specified in the phpMussel configuration file. Detailed README file and relevant documentation included within the package.

Advanced CAPTCHA class which does not require any image processing extensions (GD/ImageMagick/etc). Developed to be readable by humans and resistant to OCR software. It generates black-and-white images with few distorted letters and noise. Checking algorithm is case-insensitive. It has very simple API (documentation is available on download page) which makes it easy to implement it on new and existing websites.

Avoid spam messages sent through your online forms. By inserting a captcha image into your forms you can be sure that only real people (not automatic programs) will be able to submit the form. This captcha is packed as Dreamweaver extension, you can insert it easily with a single click without any hand coding. You can configure the look and feel to make it match exactly with your site design. The validation code is inserted automatically into your protected pages.

This is simple, complete and powerfull captcha tool written in PHP for protecting your web FORMS from spammers. "Captcha ZDR" offers several methods of captcha protection, string protection, calculation protection (sum and deduction), noise in image, string symbols are hard for reading from spamer machines. 8 unique backgrounds for captcha image.

A Simple PHP Anti-Spam Captcha Script based on PHP/GD, to help prevent web robot from flooding your Comments, Guestbooks, Contact forms or any other online application susceptible to spam. One of the main Features of this script is that it alternates between a simple math problems (Additions, subtraction and multiplication sums) and a random spring of characters.

Micro Captcha is a simple PHP script which generates captcha images to prevent spam form submissions. The script generates random images with a security code for you. Installation and usage is very simple. All you need to do is insert the php file as an image source into your form. Later during the form processing you only need to check a session variable. Detailed installation instructions and an example code is also attached.

Securimage is an open-source free PHP CAPTCHA script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added into existing forms on your website to provide protection from spam bots. It can run on most any webserver as long as you have PHP installed, and GD support within PHP. Securimage does everything from generating the CAPTCHA images to validating the typed code. Audible codes can be streamed to the browser with Flash for the vision impaired.

ppSD2 is PHP/MySQL-based membership software that is installed directly on your website (click here for requirements) and runs online from any web browser, making it accessible from anywhere with an internet connection. The program allows you to establish member types, secure and deliver content, sell memberships with recurring dues, and manage memberships, all for as low as $13/month with no contracts and no hidden fees. Beyond the standard feature-set, the program employs a number of tools to maintain a flexible and highly customizable framework, including brandable templates, custom hooks, and preset integration with 3rd party modules like Wordpress, Drupal, and phpBB. This allows ppSD2 to adapt to your specific requirements without forcing you to alter your business's existing framework.

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.

With all the Captcha decoders these days, its impossible to build a solid Captcha image validator with a string. The solution? Have a captcha that asks simple math addition questions! Decoders are not very good at breaking these. This tutorial will show you how to make a basic math CAPTCHA validtion form. This requires that you have the GD library for PHP installed to work.

Authentication, Membership Management script. One Click Web Password Protection. Member area in minutes. No programming skills, self-installing. Completed Simple and Pro Membership Management software solutions - Free or(and) Paid Membership, PayPal IPN, Authorize.net integration (under development), Unlimited number of Protected Areas, Login-redirection to personal folders. Free of charge setup and support. Web based Admin Control Panel with all conceivable operations and user area (adaptive forms and modules) support manual and online Membership management. Set it up and launch at once your membership site. One click on the folder - directory will be protected and Membership site created. Your web site is ready to register and authenticate users. Today you ordered product, tomorrow it brings money. New marketing strategy.