This Plugin allows your users to easily fill out your comment forms using an hCard.
GNU/GPL AuthorComment is a plugins that help to administrate Comment in Author Page as like a testimonial for author.
The plugin monitors uncensored russian words in comments and closes them by [censored].
O RLY Comment Spam Search creates a quick link to make sure comments aren't spam.
Remove trackbacks from your sitewide and individual post comment feeds, and/or have alternate feeds for comments or trackbacks only.
Uses wp_cron to delete comments each day that are marked "spam" in the database.
Enable moderation requests and notifications by email to all administrators.
Display commenters' OS and browser infomation next to commenter link.
Riffly is a free service that easily plugs into your site allowing visitors to
create video/audio comments.
This plugin protects your registration, login and comment forms against spambots with a simple math question.
Send a notification on comment to the author of the post
Says Something Else replaces the default “SoAndSo says:” in WordPress comment threads with whatever you specify.
Publish all your comments directly to a twitter account. You can customize the message published.
Disemvowel comments lets you selectively remove vowels from user comments, if you think they are trolls.
Add retaggr.com functionality to your blog - image tagging of any image,and totally customizable Profile Cards.Demo and help at http://www.retaggr.com
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