Prevent Printscreen

This helps prevent duplicate content on the blog.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.2 or higher Platforms: Windows, Mac, *nix, PHP, BSD Solaris

It allows the site administrator to create a policy to detect, and prevent, duplicate logins on the same account.Once a duplicate login is detected from a different system, the first login gets logged out. The admin can set a policy that determines how often and within what time period a session... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This is useful for single purchase products or for instances where it just doesn't make sense for a customer to purchase more than one and you want to prevent it from happening.Multiple variations of the same product is allowed, but no more than one instance of each variation.InstallationUnpack... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This is useful for sites that set the global default to a less rich format to prevent anonymous users from using (for example) full HTML.Installation - Unpack in your modules folder (usually /sites/all/modules/) and enable under Administer > Site Building > Modules.  Requirements: - Drupal 5.x Platforms: Windows, Mac, *nix, PHP, BSD Solaris

It is useful to prevent automated registrations.I am sure you've seen it in the net (try to register with yahoo.com or dot.tk). The script shows a randomlygenerated picture with digits. The picture is a little bit distorted to prevent automatic recognition.If you're human you will recognize the... Platforms: Windows, *nix, PHP, BSD

It allows the site administrator to create a policy to detect, and prevent, duplicate logins on the same account.Once a duplicate login is detected from a different system, the first login gets logged out. The admin can set a policy that determines how often and within what time period a session... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Anti-Plagiarism - software designed to effectively detect and thereby prevent plagiarism. It is a versatile tool to deal with World Wide Web copy-pasting information from the assignment of authorship. The goal of this program is to help reduce the impact of plagiarism on education and... Platforms: Windows, Mac, Linux

These are both easy to install modifications that prevent viewing of the site without setting up an account. However, anyone can still go set up an account, so this very simple Mod is intended to prevent unauthorized accounts from being set up on wholesale sites through use of an "Authorization... Platforms: Windows, *nix, PHP, BSD

It allows the site administrator to create a policy to detect, and prevent, duplicate logins on the same account.Once a duplicate login is detected from a different system, the first login gets logged out. The admin can set a policy that determines how often and within what time period a session... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This can prevent publishing posts accidentally by hitting the wrong button.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.5 or higher Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Every extra template tag with this plugin has an underscore before the function name in order to prevent any collisions with future native WP functions.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements:... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

This script forces a user to do a single form submission. The script will prevent the visitor from submitting the form after the first submission. Basic field validation is also included. Platforms: JavaScript

The GlobalTEK GTSpam module obfuscates email addresses to help prevent spambots from collecting them, without loosing the mailto URL scheme default semantics and operations (see RFC 2368). Platforms: PHP

To prevent empty content title fields it sets the title to the content type name or to an configurable string.If the token module is installled it's possible to use various content data for the autogenerated title - e.g. use the text of a CCK field.Advanced users can also provide some PHP code,... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

The Checkout module implements pessimistic locking, which means that content will be exclusively locked whenever a user starts editing it in order to prevent other users to edit it at the same time. The lock will be automatically released when the user saves the content or moves away from the... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

YapGB is a free guestbook system written in PHP.Its main features are:- No database needed, it uses a plain text file for storing entries.- Administrator login interface for deleting/editing entries.- Fully customizable appearance through a theme system.- Custom timezone.- BBCode and smilies... Platforms: PHP

Restrict the usernames that new users may use when registering for your site.If open registration is enabled for your site (via Settings -> General -> Membership ("Anyone can register")), WordPress allows visitors to register for an account on your blog. By default, any username they choose is... Platforms: PHP

This plugin is used to prevent spiders collect email addresses of your blog for the sending of spam. There are other plugins that perform a similar function but the vast majority do not work with newer versions of wordpress.This plugin will convert your pictures to email addresses. Basically it's... Platforms: PHP

This module is unmaintained. See Content Lock for a more viable alternative.Drupal's default content locking strategy is optimistic, that is, two users may start to edit the same content and the one who is hitting the save button first wins the race, while the other is displayed a message stating... Platforms: PHP

Indoor grill, enjoy this delicious screensaver you can not prevent you mouth-watering with these succulent photos Platforms: Windows