Intresting modules in Drupal

ACL module

It is an API for other modules to create lists of users and give them access to nodes.

Sub modules to be installed for enabling its capability:

• Content Access (uses ACL to provide by-user access control, if it's installed)

• Forum Access

• Image Gallery

Content Construction Kit (CCK)

It allows you to add custom fields to nodes using a web browser. CCK builds on that ability by allowing you to add custom fields to that content. If you use the Views module, CCK also makes all your custom fields available in any View.

CCK is actually a group of modules. The primary module is called 'Content' and it is required in order to use any other CCK modules. The tarball includes a few other modules, which comprise the 'Core CCK' modules. They include:

• Text
• Number
• Nodereference
• Userreference
• Optionwidgets
• Fieldgroup

Views

You need Views if:

• You like the default front page view, but you find you want to sort it differently.
• You like the default taxonomy/term view, but you find you want to sort it differently; for example, alphabetically.
• You use /tracker, but you want to restrict it to posts of a certain type.
• You like the idea of the 'article' module, but it doesn't display articles the way you like.
• You want a way to display a block with the 5 most recent posts of some particular type.
• You want to provide 'unread forum posts'.
• You want a monthly archive similar to the typical Movable Type/Wordpress archives that displays a link to the in the form of "Month, YYYY (X)" where X is the number of posts that month, and displays them in a block. The links lead to a simple list of posts for that month.

Views can do a lot more than that, but those are some of the obvious uses of Views.

Pathauto

The Pathauto module automatically generates path aliases for various kinds of content (nodes, categories, users) without requiring the user to manually specify the path alias.

Better Select

Better Select module overrides all multiselect HTML elements in Drupal and replaces them with checkboxes, in an auto-scrolling div so they don't take up much room on the page.

Automated Logout

This module provides a site administrator the ability to log users out after a specified time of inactivity. It is highly customizable and includes "site policies" by role to enforce logout.

Chat Room

This module enables chat rooms to be set up on Drupal sites. No additional software is required. Chat Room uses AJAX to update chats without page reloads. Chat rooms are nodes that provide access to chats and chat archives. This module does not support pop-up windows or invitations.

Porter-Stemmer

This module implements the Porter-Stemmer algorithm to improve English-language searching with the Drupal built-in search.module.

It reduces each word in the index to its basic root or stem (e.g. 'blogging' to 'blog') so that variations on a word ('blogs', 'blogger', 'blogging', 'blog') are considered equivalent when searching. This generally results in more relevant results.

Google Custom Search Engine

Google Custom Search Engine (CSE) is an embedded search engine that can be used to search any set of one or more sites. No Google API key is required. More info at http://www.google.com/coop/cse/

After installing this module, configure it by entering Google's alphanumeric ID for your CSE. Once you have granted permission for one or more roles to search the Google CSE, the search page can be found at search/google, and a search block can also be enabled.

Due to Google and Drupal both making use of "q", this module requires that clean URLs be enabled.

Features available only in the Drupal 6 version:

In addition to the CSE functionality, SiteSearch on one or more domains or URL paths can optionally be configured. Radio buttons allow users to search on either the SiteSearch or the CSE, and searches can default to either option.

The "Google CSE search" module is an optional glue module that integrates Google CSE with Drupal's core Search API. After enabling this module, search queries will be logged by the Search module and users can click between available search tabs: "Content", "Google", "Users", etc.

An additional "Google CSE results" block can be enabled, assigned to a region, and set to display on certain paths. This block allows any page on your site to host a self-contained CSE search form and results display. When entering search terms, the user will be returned to the same page (via GET request) and the results will be displayed.

YUI Rich Text Editor

This module integrates the YUI Rich Text Editor into drupal to edit content. Similar to a WYSIWYG editor.

World Clock

Features

• Displays any number of locations (countries/areas).
• Automatically adjust for DST of each location.
• Many customizable options, such as display time format, DST mode, footnote, etc.
• 107 countries/areas are supported right now.
  

CAPTCHA

A CAPTCHA is a challenge-response test most often placed within web forms to determine whether the user is human. The purpose of CAPTCHA is to block form submissions from spambots – automated scripts that harvest email address from publicly available web forms.

The CAPTCHA module provides this feature to virtually any user facing web form on a Drupal site. The administration settings for CAPTCHA are available at admin/user/captcha.

Cumulus

Cumulus allows you to display your site's tags using Flash that rotates them beautifully in 3D. It works like a regular tag cloud, but is more visually exciting. Cumulus depends on the Tagadelic. Tagadelic is a small module, without any databases, or configuration, that generates a page with weighted tags. Cumulus also requires a JS script called SWFObject. This script is licensed under the MIT license and can't be hosted on Drupal.org. So, you need to get the file from http://pratul.in/files/cumulus.js and put it in your Cumulus folder in your modules directory. module.