You can have simple, concise stats with no additional load on your server by plugging into WordPress.com's stat system.
A very fast caching engine for WordPress that produces static html files.
Adds an attractive social bookmarking menu to your posts, pages, index, or any combination of the three.
Akismet checks your comments against the Akismet web service to see if they look like spam or not.
This contact form lets your visitors send you a quick E-mail message. Blocks all common spammer tactics. Spam is no longer a problem.
Adds CAPTCHA anti-spam methods to WordPress on the comment form, registration form, login, or all. Also is fully WPMU and BuddyPress compatible.
Adds a more advanced paging navigation your WordPress blog.
WP e-Commerce is a Web 2.0 application designed with usability, aesthetics, and presentation in mind.
Platinum SEO Plugin offers Complete onsite SEO solution for your Wordpress blog.Platinum SEO Plugin offers all the functionalities of All In One SEO p
ShareThis plugin allows users to add your post to many social bookmarking sites, or to send your post link via email, AIM, Facebook, MySpace and more.
Shadowbox is an online media vieiwing application similar to Lightbox and Thickbox but with more functionality. Supports all types of media.
SEO Smart Links provides automatic SEO benefits for your site in addition to custom keyword lists, nofollow and much more.
WP-Cumulus displays your tags and/or categories in 3D by placing them on a rotating sphere.
Search the files and database of your WordPress install for malicious code or spammy links left by a hacker.
Displays Visitor Maps with location pins, city, and country. Includes a Who's Online Sidebar. Has an admin dashboard to view visitor details.