Advanced TinyMCE Editor triples the functionality of the native WordPress editor.
Category Page allows you to bind a page to a category and display the page content on top of category page by tweaking archives.php or adding a custom category.php file.
ContactNG is a very stylish and small form for your sidebar or a page.
News-it lets you to add your posts ( and/or pages ) on the social digg-like www.The-News.biz.
Post Stumbler adds functionality to your WordPress blog which allows visitors to view a randomly selected post on your blog, with a higher probability of choosing popular posts, and with the option of only showing recent posts.
Title Override will override wp_title() output with a statement of your choice.
WP Super Edit is designed to give some control over the “WordPress TinyMCE Visual WYSIWYG Editor.”