WP_PingPreserver

Prevents trackbacks and pingbacks from showing up as comments on posts.

Globally disables trackbacks to cut down on spam. Very, very few people legitimately use trackbacks and spammers love them, so it's worthy tradeo …

One step process to remove pingbacks and trackbacks and leave only real user opinions in your posts comments.

SMu DoFollow has many DoFollow Options (Manual or Automatism) and included URL Validator (Manual, WP-Cron or Cronjob).

Adds the ability to publish a post without triggering pingbacks, trackbacks, or notifying update services.

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 allows your readers to add tags to your posts (like Flickr or del.icio.us).