WP- DB Backup
WP-DB-Backup is a Wordpress plugin that allows you easily to backup your core WordPress database tables. You may also backup other tables in the same database.
In Drupal the Backup and Migrate module (is the best automated backup solution integrated with Drupal.)
Technical Blog
WP e-Commerce
WP e-Commerce is a free WordPress Shopping Cart Plugin that lets customers buy your products, services and digital downloads online.
Ubercart is the popular tool for ecommerce applications in Drupal. It is a superior e-commerce solution available when compared to the wordpress equivalent and has tons of features.
WP-Super Cache
WP-Super Cache is a Wordpress plugin that generates static html files from your dynamic WordPress blog. After a html file is generated your webserver will serve that file instead of processing the comparatively heavier and more expensive WordPress PHP scripts.
Boost is the popular alternative in Drupal for static page caching.
Redirection
Redirection is a WordPress plugin to manage 301 redirections and keep track of 404 errors without requiring knowledge of Apache .htaccess files.
Path redirect is the popular alternative in Drupal
Simple Tags
Simple Tags add some tools for taxonomies like Terms suggestion, Mass Edit Terms, Auto link Terms, Ajax Autocompletion, Click Terms, Auto terms, Advanced manage term
In Drupal: By default Drupal taxonomies support tags with auto-complete option. Other features like tagcloud and manage tags can be done using the
Yet Another Related Posts Plugin
Yet Another Related Posts Plugin (YARPP) gives you a list of posts and/or pages related to the current entry, introducing the reader to other relevant content on your site.
Similar Entries is the Drupal equivalent module that can do this same task.
Akismet
Akismet is a Wordpress plugin that checks your comments against the Akismet web service to see if they look like spam or not and lets you review the spam it catches under your blog's "Comments" admin screen.
Social plugins
Wordpress comes with the popular social plugins Addtoany and Addthis.
Both of these plugins provide share icons of the popular social bookmarking websites. Add-to-any allows integration with google analytics and Addthis allows customization of the social icons.
Google Analytics for WordPress
The Google Analytics for WordPress plugin allows you to track your blog easily and with lots of metadata.
The Google Analytics module for Drupal incorporates all the features of the Wordpress plugin for Drupal.
All in one SEO pack
All in one SEO pack is a Wordpress plugin with a collection of tools to optimize your WordPress blog for Search Engines
Drupal has several tested and proven modules available in the Drupal core as well as in the contributed section. The most popular ones are
Contact Form 7
Contact Form 7 is a Word press plugin that can manage multiple contact forms, plus you can customize the form and the mail contents flexibly with a simple markup. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering and so on.
NextGEN Gallery
NextGEN Gallery Wordpress plugin is a fully integrated Image Gallery plugin for WordPress with a slideshow option. Before I started writing the plugin I studied all the existing image and gallery plugins for WordPress. Some of them are really good and well designed, but the gap I filled was a simple administration system at the back end which can also handle multiple galleries.
Google XML Sitemap
GTranslate
GTranslate is a Wordpress plugin that provides an automatic translation service to translate your web page with Google power. With the ability to translate over 58 available languages your site will be available to more than 98% of Internet users.
GTranslate for Drupal does the same thing in Drupal and has been coded by the same author.
Upgrading a Drupal site refers to moving it’s database and files from one major version of Drupal to a later one, to take advantage of the newer features and bug fixes that might not be available for the older version. Upgrading a Drupal site is a pretty effective way to make sure that your Drupal site is currently up to date with all the latest security updates and bug fixes. Old versions of Drupal will naturally be unsupported with the arrival of the new releases. The Drupal community has currently stopped supporting the older versions of Drupal like version 4 and 5 and has moved to Drupal 7. However Drupal 6 is more widely supported. Have a look at the steps required to upgrade your Drupal site from an older version to Drupal 6.
How to mix public and private folders in a Drupal installation | Creating a private folder in Drupal
By default, Drupal serves all its files publicly via http. This means that any unauthorized user can directly access all the files through a browser by entering its path. This is also true for files which have permissions for them. The solution provided by Drupal, which is to make the entire file system private is resource intensive and can bring down the server. However there is another less costly workaround to this issue. Read on to find out more.
We have ported and contributed yet another drupal theme. This time it is jQ, ported from one of the most popular wordpress themes of the same name. You can see the Drupal jQ theme here.
What do you do when you want to delete multiple nodes from a drupal site? You go to admin » content and then delete nodes one by one? No. You go to PhpMyadmin and delete the nodes from the node table?. Absolutely not (don't even think about it). There are a few solutions. There is the Views Bulk Operations module. But there is an easy hack to do this or for that matter bulk node operations.
If you have ever hosted a reasonably good site on a shared hosting service then you would definitely have come across the dreaded "exceeded the email limit per hour" warning. If you use Drupal then you don't have to worry about this any more. If you are using Drupal then all you have to do is to install the MailQ module to queue all your mails.
The Views module in Drupal provides a Feed display that will allow for site owners to publish the content on their sites as RSS feeds. However, unlike a page or block display, the feed display does not allow for addition of custom tags inside the feed using the Views administration UI. There is however a way to add custom tags, attributes and values into the generated feed using hook_nodeapi.