Directory

Keyword = categories
Category
+ Categories and Tags
Listing
Top Jokes
Top Jokes has hundreds and hundreds of free jokes in dozens of different categories. Laugh until you're rolling on the floor!
http://www.topjokes.info - detail
Google PR :
Wordpress Supplies
Free Wordpress theme directory with dozens and dozens and dozens of categories - ratings as well.
http://wordpresssupplies.com/ - detail
Google PR :
Carrington CMS Framework
Carrington CMS Framework for Wordpress makes it easy to create unique looks for different categories, posts, and comments by creating custom templates.
http://carringtontheme.com/ - detail
Google PR :
Mass Post Manager
Mass Post Manager is a wordpress plugin that helps you to manage your existing posts. Easily manipulate categories and comments related to existing posts.
http://www.lordtime.com/blog/products/mass-post-manager-for-wordpress/ - detail
Google PR :
WP-Cumulus
WP Cumulus is a wordpress plugin for displaying your categories and tags in a 3D flash movie
http://wordpress.org/extend/plugins/wp-cumulus/ - detail
Google PR :