Yet another threaded Comments lets users to reply to comments on your post. Comments can selected from a dropdown box.
Another Title optimizes your single post titles, removing any redundant stuff like ‘Blog Archive’.
Full Text Feed prevents WordPress 2.1+ from adding a more link to your website’s feed.
IM Online is a neat little WordPress Widget to show your current online status on your blog. The plugin is powered via onlinestatus.org and supports most IM services including AOL, MSN, Yahoo!, Jabber (inc. Google Talk), Skype and ICQ.