This plugin will help you to prevent auto comment spam submittions by clawlers and bots. Requires PHP5 and GD extention installed.
Asks the visitor making the comment to key in the disappeared chinese word. This is intended to prove that the visitor is a human being but a spam rob
This plugin is discontinued now. Sorry!
Identify posts spammers find the most attractive.
Get rid of bad,malicious,injourious,spam comments
Adds Whitelist and Blacklist options for Trackbacks and Pingbacks
Integrates aTokens badge into posts / pages.
nik.im for wordpress allows comments on your blog to be modified so all links are shortened to nik.im urls.
Asks the visitor making the comment to answer a simple math question. This is intended to prove that the visitor is a human being and not a spam robot
This plugin adds a small widget within each blog post to share blog posts on Facebook, Twitter, Google Buzz, Digg, Surfpeople, and well over 100 more
AntiBot Captcha - simple good-looking, but well-protected plugin against spam robots for your blog comments
yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam
from automated bots.
Powerful and invisible fighter against comment spam.
RSS link for this tag.