Some Wordpress plugins are often updated, which is good think. Plugins that are updated are 100% compatible with last Wordpress version and they also are the most secure possible. A plugin that has not been updated for a long time might not work with last Wordpress version and might create a security breach for you website.
This plugin is based on Nick Remeslennikov's CodeColorer TinyMCE Button, which I have only modified to work with WP-Syntax.
This plugin adds the the highslide for image files with Highslide4WP.
Google Friendsconnect OpenID & Faces widget.
A very simple (to use and configure) plug-in to generate a complete list (by category) of all posts.
A plugin which looks for <IMG> tags in the excerpt and, if found, wraps them with a link to the post permalink.
Delink Comment Author gives you the ability to remove the link a commenter left as their URL without removing the entire comment.
Tracks the number of pageviews per blog post for the current day and cumulatively with options to display sidebar widgets for both.
Control the number of posts per page, pages per page, and comments per page that appear in the admin listings of posts, pages, and comments.
Deprecated Prevent visitors from leaving duplicate comments/pingbacks/trackbacks to a post.
A plugin that turns many of the WP template tags into shortcodes (40+ shortcodes).