Securimage-WP

Block comment spam, malicious logins, and automated registrations by adding the powerful CAPTCHA protection of…


Drew Phillips 3,000+ active installations Tested with 4.9.18 Updated 3 years ago

WP Spam Fighter

Comment spam prevention without moderation, captchas or questions


Henri Benoit 2,000+ active installations Tested with 4.1.33 Updated 6 years ago

Math Comment Spam Protection

Asks the visitor making the comment to answer a simple math question. This is intended…


Michael Woehrer 2,000+ active installations Tested with 3.0.5 Updated 11 years ago

Simple Trackback Validation

Performs a simple but very effective test on all incoming trackbacks in order to stop…


Michael Woehrer 2,000+ active installations Tested with 2.9.2 Updated 11 years ago

Forget Spam Comment

The ultimate solution to stop spam comments in the default commenting system of WordPress


Gulshan Kumar 1,000+ active installations Tested with 5.7.2 Updated 2 months ago

Block Spam By Math Reloaded

This plugin protects your WordPress and Buddypress login, comments, and new user/new blog signup process…


James Pegram 1,000+ active installations Tested with 3.3.2 Updated 8 years ago

En Spam

Block spam with cookies and JavaScript. All Spambots will remain away from your blog. Without…


Hatul 1,000+ active installations Tested with 5.7.2 Updated 3 months ago

Stop WP Comment Spam

WordPress anti spam plugin that eliminates automated comment spam without reCAPTHCA or quizes. The ultimate…


Fullworks 900+ active installations Tested with 5.7.2 Updated 3 months ago

La Sentinelle antispam

Feel safe knowing that your website is safe from spam. La Sentinelle will guard your…


Marcel Pol 800+ active installations Tested with 5.7.2 Updated 2 weeks ago

CheckBot

This antispam plugin provides very simple(one-click) and powerful captcha for your blog.


Constantine Anikin. 800+ active installations Tested with 4.0.33 Updated 7 years ago

WP No-Bot Question

Simple question that blocks most spambots (and paid robots) by making them answer a common…


Compdigitec 800+ active installations Tested with 5.4.6 Updated 11 months ago

Quiz

Reduces spam and troll comments by requiring commenters to answer a question.


Andy Skelton, Stephen Rider and Mark Jaquith 700+ active installations Tested with 4.1.33 Updated 6 years ago

Peter’s Custom Anti-Spam

Stop a lot of spambots from polluting your site by making visitors identify a custom…


Peter Keung 600+ active installations Tested with 4.8.17 Updated 6 years ago

BuddyPress Captcha

This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community…


Hardeep Asrani 600+ active installations Tested with 4.1.33 Updated 6 years ago

MP Spam Be Gone

MP Spam Be Gone is the simplest, most effective Spam blocker.


MikesPickz Web Solutions, Inc. 600+ active installations Tested with 5.6.4 Updated 5 months ago