Blue Captcha
Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP…
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Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP…
A simple plugin that adds a Google reCAPTCHA to the Jetpack contact form. Requires the…
An addon for the Affiliates Manager plugin to add Google reCAPTCHA to the registration page
Beginning with version 14.9.1 cformsII has pluggable captcha support. This plugin makes use of that…
Simple question that blocks most spambots (and paid robots) by making them answer a common…
Adds a Honeypot and a clean image captcha to Gravity Forms. Images are made using…
Eazy C(omment)F(orm) Captcha adds a mathematic exercise to the comment form, contact form 7 &…
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.
Block bots without annoying captchas. Cache friendly solution with rotating keys! Blocks comment, registration, and…
An easy to use wordpress Captcha plugin to prevent spam on your site. You can…
Math Quiz generates dynamic math problem in the comment form to beat spam robots.
yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated…
This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community…
Stop a lot of spambots from polluting your site by making visitors identify a custom…
Contact Form 7 Honeypot Plus – Adds honeypot plus anti-spam functionality to Contact Form 7…
WP Service Payment Form With Authorize.net allows to accept payments from credit/debit cards using Authorize.net…
A more seamless approach to deflecting the vast majority of SPAM comments.
This plugin blocks detected attackers or displays them a captcha to check they are not…