Email log
Email Log WordPress Plugin, allows you to log all emails that are sent through WordPress.
Twitter Goodies
Twitter Goodies Wordpress Plugin will generates nice twitter widget in sidebar area.
Youtube with fancy zoom
You tube with fancy zoom is a media viewing application that supports webs most popular you tube video. This is a jQuery based fancy zoom.
TweetPaste [...]

Semiologic

Multiple column, feature rich theme with support for advanced templates, panels and header picker
Mystique

Mystique is a free Wordpress theme that attempts to top commercial templates in terms of design and functionality. Some of the features include 3 theme widgets (Sidebar tabs, Twitter posts and Flickr gallery), page templates with different layout styles and many more [...]

Wp-Thumbie
Wp-Thumbie is WordPress plugin to display thumbnail related posts.
Relocate Theme Style
Filters WordPress output to allow you to relocate your theme stylesheets
Pierre’s Wordspew
A plugin that creates a live shoutbox, using AJAX as a backend. Users can chat freely from your blog without refreshing the page!
Source Codes in Comments
Allow users to post source codes in comments using [...]

Adsense Ready

Three column, widget and gravatar ready theme with Google Custom Search integrated.
Rente

Two column, widget ready, fixed width theme
Gray and Square

A gray, square and smart WordPress theme with eight color schemes
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