Akismet checks your comments against the Akismet web service to see if they look like spam or not.
Just another contact form plugin. Simple but flexible.
Track your WordPress site easily and with lots of metadata: views per author & category, automatic tracking of outbound clicks and pageviews.
Automatically optimizes your WordPress blog for Search Engines (Search Engine Optimization).
A super customizable contact form that lets your visitors send you email. Blocks all automated spammers. No templates to mess with.
Adds a more advanced paging navigation interface.
NextGEN Gallery is a full integrated Image Gallery plugin for WordPress with dozens of options and features.
This plugin will generate a special XML sitemap which will help search engines to better index your blog.
GTranslate: Google Translate for your website
Import posts, pages, comments, custom fields, categories, tags and more from a WordPress export file.
Improve your WordPress SEO: Write better content and have a fully optimized WordPress site using the WordPress SEO plugin by Yoast.
WPtouch: A simple, powerful and elegant mobile theme for your website.
A very fast caching engine for WordPress that produces static html files.
Automatically add links to published posts or pages to your Facebook wall, pages or groups and more
Supercharge your WordPress site with powerful features previously only available to WordPress.com users.