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.
TemplateMedia creates a Wikipedia-style templating system for your WordPress installation. TemplateMedia Chess adds in a template that is a port of Wikipedia’s Chess Diagram template.
The concept of Templatedia is such a great idea! 😀 I’m currently using PrePublish Reminder (also found on Weblogtoolscollection at the moment, but this could be a great alternative! 🙂
Thanks for mentioning Templatedia. I really hope more people stumble upon it and realize it’s full potential. 🙂