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Remove Pingback-Trackback Comments
Pingcrawl
External Related Posts
Auto-TrackBack By Category
Follow Self Pings
Comment URL Control
Elsewhere
Pingchecker
Prevent XMLRPC
BM-TrackPing
Nonce, Please!
Talkback
Webmention
Force Ping Display With Disqus
WPopularity – Wordpres Plug-In
Disable Trackbacks
Auto-Close Comments, Pingbacks And Track...
WP-Hashcash Extended
Hide Trackbacks
SMu Manual DoFollow
Simple Trackback Validation With Topsy B...
WP-Hashcash
Greg's Threaded Comment Numbering
Simple Trackback Validation
No Self Ping
WP-SpamShield Anti-Spam
