Plugin Directory

Kaya Login Captcha

Kaya Studio

Protects the WordPress login, registration and lost-password forms with a simple captcha. No third-party APIs, services or dependencies required.

Mailster Cool Captcha

EverPress

Add a self-hosted image captcha to Mailster newsletter signup forms—block bot subscriptions without Google API keys.

VigilanTor

drew010

Add a layer of security to your WordPress site with the ability to block Tor users from commenting, registering, logging in and more.

Hide Trackbacks

Sander van Dragt

Prevents trackbacks and pingbacks from showing up as comments on posts.

Stop Comment Spam

pedjas

Stop Comment Spam treats any comment by predefined rules to stop spam. It is supposed to be used as additional measure for any other antispam tool esp …

Stop Signup Spam

lelandf

Check user registration info against the Stop Forum Spam database before allowing registration

EZ Anti-Spam Comments with reCAPTCHA

Eli

A simple yet effective Spam Filter. A Widget and Shortcode to display Comments with Good Karma as Testimonials. Plus the ability to Move comments and …

ARCaptcha – Puzzle Captcha | New-generation Captcha and bot protection

arcaptcha

Enables ARCaptcha integration with WordPress.

Really Simple CAPTCHA for cformsII

bgermann

Beginning with version 14.9.1 cformsII has pluggable captcha support. This plugin makes use of that by providing an implementation for the Really Simp …

Custom Referral Spam Blocker

csmicfool

Custom Referral Spam Blocker gives you the control to ensure that dishonest referral sources are blocked from Google Analytics.

CWeb Form Protection with Turnstile for Elementor Forms

Alexandre Alves

Add Cloudflare Turnstile to your forms — with a per-form field for Elementor Pro so you choose exactly which forms are protected.

Math Quiz

atitan

Math Quiz generates dynamic math problem in the comment form to beat spam robots.

Advanced Invisible Anti-Spam

Matt Keys

Block bots without annoying captchas. Cache friendly solution with rotating keys! Blocks comment, registration, and bbpress spam. Activate and done!

Remove All Comments

php-developer

This plug-in will removed/Delete all comments from posts and pages.

HTTP/1.1 403 Forbidden header on a failed login

atmosphear

Send an "HTTP/1.1 403 Forbidden" header on a failed login instead of the default "HTTP/1.1 200 OK"

Hide-n-Disable-comment-url-field

sharadchhetri

This plugin will hide and disable the URL field from wordpress default comment form.Just Activate the plugin and start using.

Auto-Close Comments, Pingbacks and Trackbacks

Ajay

Auto-Close keeps your site clean by automatically closing comments, pingbacks, and trackbacks—so you can focus on content, not cleanup.

Simple Captcha for WPForms

Andreas Münch

Add an additional Captcha field to WPForms to prevent spam.

Email Validation Filter for Contact Form 7

asamaruk

Added mail validation function to Contact Form 7. Protected by rejection filter, RFC filter, and DNS filter.

Peter’s Custom Anti-Spam

Peter

Stop a lot of spambots from polluting your site by making visitors identify a custom word displayed as an image before commenting.

Disable Trackbacks

Automattic

Globally disables trackbacks to cut down on spam. Very, very few people legitimately use trackbacks and spammers love them, so it's worthy tradeo …

MP Spam Be Gone

MikesPickz

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

Disable Comments by click5

click5

Best WordPress plugin to disable comments on your website and protect yourself from spammers.

BotBlocker

Brandon Fenning

Kills spam-bots, leaves humans standing. No CAPTCHAS, no math questions, no passwords, just spam blocking that stops spam-bots dead in their tracks.