Akismet

Akismet checks your comments against the Akismet Web service to see if they look like…


Automattic active installs Tested with 4.7.3 Updated 1 month ago

Disable Comments

Allows administrators to globally disable comments on their site. Comments can be disabled according to…


Samir Shah 900,000+ active installs Tested with 4.7.3 Updated 4 months ago

WP-Optimize

WP-Optimize is WordPress's most-installed optimization plugin. With it, you can clean up your database easily…


David Anderson, Ruhani Rabin, Team Updraft 500,000+ active installs Tested with 4.7.3 Updated 4 weeks ago

Disqus Comment System

The Disqus comment system replaces your WordPress comment system with your comments hosted and powered…


Disqus <team@disqus.com> 200,000+ active installs Tested with 4.6.4 Updated 6 months ago

Antispam Bee

“…another popular solution to fight spam is Antispam Bee”—Matt Mullenweg, Q&A WordCamp Europe 2014


pluginkollektiv 200,000+ active installs Tested with 4.7.3 Updated 1 month ago

Facebook

Add Facebook social plugins and the ability to publish new posts to a Facebook Timeline…


Facebook 100,000+ active installs Tested with 3.9.17 Updated 3 years ago

Anti-spam

No spam in comments. No captcha.


webvitaly 100,000+ active installs Tested with 4.9 Updated 4 months ago

Facebook Comments

The Facebook Comments WordPress plugin makes it easier for you to setup, administer and customise…


talspotim 100,000+ active installs Tested with 4.5.7 Updated 7 months ago

Post-Plugin Library

The shared code library for Similar posts, Recent Posts, Random Posts, Popular Posts and Recent…


Rob Marsh, SJ 80,000+ active installs Tested with 2.6.2 Updated 9 years ago

Subscribe to Comments

Subscribe to Comments allows commenters on an entry to subscribe to e-mail notifications for subsequent…


Mark Jaquith 60,000+ active installs Tested with 4.3.9 Updated 2 years ago

Spam Free WordPress

Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.


Todd Lahman, LLC 60,000+ active installs Tested with 4.4.8 Updated 2 years ago

Ultimate Member

The easiest way to create powerful online communities and beautiful user profiles with WordPress


Ultimate Member 50,000+ active installs Tested with 4.7.3 Updated 1 month ago

Growmap Anti Spambot Plugin

Defeat automated spambots (even the new 'learning' bots with dynamically named hidden fields) by adding…


Andy Bailey 40,000+ active installs Tested with 4.0.16 Updated 2 years ago