Centrora Security™

Centrora Security plugin is excellent for security management. It incorporates firewall, dedicated malware scanners to…


Centrora Security 1,000+ active installs Tested with 4.7.5 Updated 5 months ago

yaCAPTCHA

yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated…


Rémy Roy 1,000+ active installs Tested with 3.0.5 Updated 7 years ago

Peter’s Custom Anti-Spam

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


Peter Keung 1,000+ active installs Tested with 4.8 Updated 3 years ago

WP referrer spam blacklist (fight 517+ Referrer Spammers in (Google/Piwik) Analytics)

WordPress plugin to fight with 500+ referrer spammers (like semalt, buttons-for-website and many more).


Rolands Umbrovskis 1,000+ active installs Tested with 4.8 Updated 4 weeks ago

Antispam for all fields

Actually visits the URL from commenter to spider for spamwords.


Ramon Fincken 1,000+ active installs Tested with 4.6.6 Updated 10 months ago

En Spam

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


Hatul 1,000+ active installs Tested with 4.7.5 Updated 7 months ago

CheckBot

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


Constantine Anikin. 1,000+ active installs Tested with 4.0.18 Updated 3 years ago

Spam Free

Get your WordPress Blog Spam-Free with this plugin.


Jordy Kroeze 1,000+ active installs Tested with 3.4.2 Updated 5 years ago

MP Spam Be Gone

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


MikesPickz Web Solutions, Inc. 1,000+ active installs Tested with 3.3.2 Updated 5 years ago

WP-Hashcash Extended

Client-side javascript blocks all spam bots. XHTML 1.1 compliant. Now with support for WordPress Versions…


Aziz B. 1,000+ active installs Tested with 3.3.2 Updated 5 years ago

Verify Email for Caldera Forms

Send an email with a validate link to verify the email address before completing the…


Caldera Labs 1,000+ active installs Tested with 4.7.5 Updated 4 months ago

WP No-Bot Question

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


Compdigitec 1,000+ active installs Tested with 4.6.6 Updated 10 months ago