wpAdMentor lets you choose which ads to display on your WordPress blog.
AskApache Firefox Adsense displays a Firefox Adsense Ad (Google Referrals) on your blog, but only to users that are not using Firefox, and only to users running Windows.
KiteCV lets you compose a complete master CV, then publish views of it targeted at specific employers or jobs.
Secure Contact is a drop-in form for users to contact you that can be implemented on a page or a post.
Smilies Themer allows you to use smilies (emoticons) themes (or packs) to replace the WordPress default ones.
Strainu Links lets you put all your links in any page, post, or comment.