Admin Menu Tree Page View allows you to get a tree view of all your pages directly in the admin menu.
Blue Screen of the Dead is a replacement for your WordPress 404 error page.
Facebook Members is a WordPress social plugin that enables Facebook page owners to attract and gain Likes from their own website.
Ultimate Taxonomy Manager is an easy to use taxonomy manager to customize taxonomies and custom fields with a great user interface.
WP Pic Tagger allows you to tag people and objects in your images by selecting a region of the image and adding names, URLs and descriptions.
AddToAny: Share/Bookmark/Email Button helps people share, bookmark, and email your posts and pages using any service, such as Facebook, Twitter, Google Buzz, Digg, Delicious, and well over 100 more social bookmarking and sharing sites.
Facebook Like for Tags allows you to connect with your audience for ongoing updates and sharing based on user interest.
Simple Twitter Connect is a series of plugins that let you add any sort of Twitter functionality you like to a WordPress blog.
VideoPress allows you to add VideoPress videos stored on WordPress.com to your self-hosted WordPress.org site through the use of simple shortcodes.
WP-Stats-Dashboard allows you to display your blog’s stats graph plus your blog traffic, social engagement and social influence directly in your dashboard.