Some blocks of the text can be shown/hidden for bots, logged-in users or all visitors (in posts, pages and comments)
Allows the user to display statistics for their blog's/forum's Disqus comments.
Enables your users to comment on and around your photos with user generated graphics, word bubbles and captions.
Watch this video to learn more about
A text filter that will convert your posts and comments to LOLcat-style language.
Displays the comments in reverse order.
Use avatars from services like Gravatar and MyBlogLog in your posts, comments and pingbacks
This will enable ranking of your posts by popularity using the behavior of your visitors to determine each post's popularity. That Plugin is base
YATCP allows you to have threaded comments (i.e. reply to existing comments) in your wordpress.
Restore the comments number after the 2.5 upgrade.
Allows you to display a captcha on your comment form to avoid spam.
Add license terms to your comment form.
Allow OpenID based commenters to add their thoughts via comments on your WordPress blog. This plugin is not an OpenID server.
Easily separate comments from trackbacks and pingbacks
Ajaxify commenting with the MooTools JS Framework- mootools.net
Allows readers to choose the comment sort order and allows for filtering of Trackbacks/Pingbacks.
RSS link for this tag.