Automatic replace the post content
Network standard ping list, for WordPress.
Undo Publish let's you stop posts from being published for a few seconds after publishing.
Enable site ping for a WPMU site.
Gives a complete list of categories and all the posts in them.
Automatically prompt subsription message to promote and make visitor subscribe your feed every they post a new comment
This plugin allows you to display items in the lists with a particular template
List your latest posts by category using simple shortcode.
WordPress to Posterous plugin.
The noComment Plugin. A plugin that shows you the post that noone wants to comment. :P
This plugin adds a small widget within each blog post to share blog posts on Facebook, Twitter, Google Buzz, Digg, Surfpeople, and well over 100 more
Search by user adds an author filter to the post admin page.
Customizable widget area that displays posts from the same categories as the current post.
Improve your web typography with: hyphenation, space control, intelligent character replacement, and CSS hooks.
Retrieves a list of the most recent posts
RSS link for this tag.