This plugin takes the pain out of adding another field to your comment form for users to enter their twitter username to be displayed as a link to follow them via their twitter page.
With this plugin you can now add tags to your media attachments. You can tag Word document, PDF documents basically anything you upload via the standard WordPress Media upload tool.
Automatically, cross-posting to associated site/blog to enabling the post-via-email option with PIN code e.g. multiply.com, livejournal.com, blogspot.
Hackadelic Sliding Notes
Ajax sliders for content fragments. Fancy replacement for foot- and other notes.
This plugin allows a WordPress Site Admin to enter locations of stores etc into the db. The user can then search for the closest location.
Facebook Posted Items
This plugin fetches posted items from Facebook and displays them in an unordered list with proper links and comments.
Sensitive Tag Cloud
This WordPress plugin provides a configurable tag cloud that shows tags depending of the current context only.
This WordPress plugin provides multiple options to show the via tags related posts of a post. It contains a sidebar widget that is only visible when viewing a single post and displays a list of posts that are related with the current post via the tags.
The wpSEO plugin helps you to optimize your blog for SEO (Search Engine Optimization) purposes by eliminating issues with duplicate content and specifying meta tags and page titles for the different pages of your blog. You can also specify your meta tags and page titles manually.
GD Star Rating
GD Star Rating is post, page and comment rating plugin for WordPress. Plugin supports different image sets, rating moderation, vote rules, time restricted voting, templates, trend calculations, has a widgets build in and shortcode support.
Smooth Scrolling Links
Moodlight allows your visitors to add their mood on posts via comments.
Simple Google Sitemap
Creates an XML Sitemap, containing Homepage, Articles and Pages.