Pingcrawl adds a "Possibly related posts" capability by querying Google Blog Search for post tags and pinging the results. Limits are configurable.
The standard WordPress trackback link behavior does not provide users their expected result. wp-TrackbackPopup resolves this issue. It uses unobtrusi
This plugin allows you to show the latest comments, pingbacks or trackbacks in the sidebar of your blog or anywhere else. The plugin comes with widget
This plugin will send trackbacks to URLs in the list ONLY when user publish a post or change the post status to publish.
This plugin will send trackback to Blog Portal or Blogtal (www.blogtal.com) ONLY when user publish a post or change the post status to publish.
This plugin will add avatars of comment-authors to the comment-feeds of your WordPress-Blog.
This plugin collects the comments you posted on other people's websites and lets you display them on your own blog.
Show your comments on other blogs.
Globally disables trackbacks to cut down on spam. Very, very few people legitimately use trackbacks and spammers love them, so it's worthy tradeoff.
A plugin to help separate trackbacks and pingbacks from comments.
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
Easily separate comments from trackbacks and pingbacks
Prevents WordPress from eating pings that come too quickly in succession (i.e. a single post linking to more than one of your pages).
This plugin will allow you to remove an unwanted author-URI entered by a commenter with one single click of your mouse.
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