Akismet Anti-Spam
Akismet checks your comments and contact form submissions against our global database of spam to…
Allows administrators to globally disable comments on their site. Comments can be disabled according to…
WP-Optimize is WordPress's most-installed optimization plugin. With it, you can clean up your database easily…
Easy and extremely productive spam-fighting plugin with many sophisticated solutions. Includes protection against trackback spam…
Disqus is the web's most popular comment system. Use Disqus to increase engagement, retain readers,…
No spam in comments. No captcha.
Put your own details into a modified version of Automattic's "Terms of Service" and "Privacy…
Spam protection, antispam, all-in-one, premium plugin. No spam comments & users, no spam contact form…
SEO Smart Links provides automatic SEO benefits for your site in addition to custom keyword…
The shared code library for Similar posts, Recent Posts, Random Posts, Popular Posts and Recent…
Subscribe to Comments allows commenters on an entry to subscribe to e-mail notifications for subsequent…
An admin interface to control the default comment and trackback settings on new posts, pages…
This plugin will help you display Facebook Comments on your website. You can use it…
Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.