WP-reCAPTCHA-bp

Integrates reCAPTCHA anti-spam methods with WordPress sites using BuddyPress plugin, including comment and registration spam…


elrata_ 1,000+ active installations Tested with 4.9.23 Updated 4 years ago

CrowdSec

This plugin blocks detected attackers or displays them a captcha to check they are not…


CrowdSec 1,000+ active installations Tested with 6.2.2 Updated 6 days ago

Formidable Honeypot

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


Ryan Pilling 900+ 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 800+ active installations Tested with 4.9.23 Updated 6 years ago

Eazy CF Captcha

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


Tamás Kiss 700+ active installations Tested with 6.1.3 Updated 3 months ago

Blue Captcha

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


Jotis Kokkalis (BlueCoder) 700+ active installations Tested with 4.2.35 Updated 8 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

Image Captcha

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


Captcha Soft 700+ active installations Tested with 6.0.5 Updated 9 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…


SedLex 500+ active installations Tested with 4.5.29 Updated 7 years ago

CheckBot

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


Constantine Anikin. 500+ active installations Tested with 4.0.38 Updated 9 years ago

BotBlocker

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


Lform Design (Brandon Fenning) 500+ active installations Tested with 3.3.2 Updated 11 years ago