30 Most Popular Wordpress Plugins

Automatically optimizes your Wordpress blog for Search Engines (Search Engine Optimization)

http://www.Semperfiwebdesign.com

Automatically optimizes your Wordpress blog for Search Engines (Search Engine Optimization)

http://www.Arnebrachhold.com

Just another contact form plugin. Simple but flexible

http://www.Contactform7.com

A very fast caching engine for WordPress that produces static html files.

http://www.Arnebrachhold.com

Intelligently blocks spam comments. Checks your comments against the Akismet web service to see if they are spam or not.

http://www.Akismet.com

Gives you a list of posts and/or pages related to the current entry.

http://www.Mitcho.com

Automatically add links to your favorite social bookmarking sites on your posts, pages and in your RSS feed.

http://www.Yoast.com

A very fast caching engine for WordPress that produces static html files.

http://www.Lesterchan.com

Designed to display your archive listings in a clean and uniform fashion. It lists the Month / Year, the day of the month the article was published, the title of the article, and the number of comments that have been made on each article.

http://www.Sporadicnonsense.com

Allows people to recommend/send your WordPress blog’s post/page to a friend.

http://www.Lesterchan.com

Integrates Twitter with your blog with server-side TweetBacks, ReTweet-This buttons, digg-like Tweet-This Button, automatic tweeting of new posts etc

http://www.Danzarrella.com

A very fast caching engine for WordPress that produces static html files.

http://www.Lesterchan.com

Auto-bookmarks your blog post permalink to over 30 bookmarking sites

http://www.Autosocialposter.com

Allows you to integrate the photos from a flickr rss feed into your site.

http://www.Eightface.com

GD Star Rating plugin allows you to set up advanced rating and review system for posts, pages and comments in your blog using single, multi and thumbs ratings.

http://www.GDstarrating.com

Create shortcut URLs to anywhere on the internet, right from your Wordpress Admin.

http://www.Webmaster-source.com

I Love Social Bookmarking is a simple WordPress plugin that allows your readers to submit your content to social media services via a clutter-free drop-down list of attractive icons.

http://www.Milienzo.com

A new non-obtrusive way of displaying a single line of advertising message, a special note or other information right at the top of your blog.

http://www.Maxblogpress.com

Complete SEO solution for your Wordpress blog.

http://www.Techblissonline.com

Wordpress plugin to analyze your visitors traffic with real time stats, chart and a lot of chronological informations. It has sidebar Widget support to show current online visitors and other statistics.

http://www.WPWP.org

Make making money easy with AdRotate. Add advanced banners to your website using the simplest interface available!

http://www.Meandmymac.net

Send email via SMTP (Compatible with GMAIL) By Marco Cimmino.

http://www.Marcocimmino.net

Adds a ‘Share This Post’ button after each post. The service which is used is freetellafriend.com which supports e-mail address book, social bookmarks and favorites.

http://www.Freetellafriend.com

Adds an AJAX poll system to your WordPress blog. You can easily include a poll into your WordPress’s blog post/page. WP-Polls is extremely customizable via templates and css styles and there are tons of options for you to choose to ensure that WP-Polls runs the way you wanted. It now supports multiple selection of answers.

http://www.Lesterchan.net

Automatically finds tags based on your post content.

http://www.Wordpresssupplies.com

Display the most recent comments or trackbacks with your own formatting in the sidebar or where you want.

http://www.Jodies.de

Forwards all feed traffic to Feedburner while creating a randomized feed for Feedburner to pull from.

http://www.Orderedlist.com

Overlay images on the current page for WordPress. You can turn it on and all images are now working with it.

http://zeo.unic.net.my

Select any text, and directly tweet the highlighted text to Twitter. Auto adds a short URL that highlights the selected text for readers. Very COOL.

http://www.Roohit.com

Visitors can chat with you directly by clicking on the Zopim Chat Bar.

http://www.Isidorechan.com