Formidable Honeypot

Add SPAM protection to your Formidable forms without annoying your visitors with Captchas, math, or…


Ryan Pilling 800+ active installations Tested with 3.9.40 Updated 9 years ago

reCAPTCHA Jetpack

A simple plugin that adds a Google reCAPTCHA to the Jetpack contact form. Requires the…


bozdoz 700+ active installations Tested with 4.9.23 Updated 6 years ago

WP No-Bot Question

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


Compdigitec 700+ active installations Tested with 5.4.13 Updated 3 years ago

Blue Captcha

Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP…


Jotis Kokkalis (BlueCoder) 600+ active installations Tested with 4.2.35 Updated 8 years ago

Image Captcha

An easy to use wordpress Captcha plugin to prevent spam on your site. You can…


Captcha Soft 600+ active installations Tested with 6.0.5 Updated 1 year ago

Eazy CF Captcha

Eazy C(omment)F(orm) Captcha adds a mathematic exercise to the comment form, contact form 7 &…


Tamás Kiss 600+ active installations Tested with 6.3.1 Updated 2 months ago

TomS reCAPTCHA

Integrated Google ReCaptcha for WordPress.Protect the login, register, lostpassword and comment forms. Support Woocommerce, Ultimate…


Tom Sneddon 600+ active installations Tested with 6.2.2 Updated 6 months ago

Advanced Invisible Anti-Spam

Block bots without annoying captchas. Cache friendly solution with rotating keys! Blocks comment, registration, and…


Matt Keys 500+ active installations Tested with 4.5.29 Updated 7 years ago

Spam Captcha

This plugins avoids spam actions on your website (comments and contact form if you use…


KaizenCoders 500+ active installations Tested with 6.2.2 Updated 3 months ago

CheckBot

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


Constantine Anikin. 400+ active installations Tested with 4.0.38 Updated 9 years ago

BuddyPress reCAPTCHA

This plugin utilizes reCAPTCHA to help your blog stay clear of spam-registrations.


Martin Seysen 400+ active installations Tested with 3.2.1 Updated 12 years ago

BotBlocker

Kills spam-bots, leaves humans standing. No CAPTCHAS, no math questions, no passwords, just spam blocking…


Lform Design (Brandon Fenning) 400+ active installations Tested with 3.3.2 Updated 11 years ago

Contact Form 7 Honeypot Plus

Contact Form 7 Honeypot Plus – Adds honeypot plus anti-spam functionality to Contact Form 7…


wpdebuglog 400+ active installations Tested with 5.7.9 Updated 2 years ago