This plugin utilizes Google reCAPTCHA to help your blog stay clear of spams. BWP reCAPTCHA supports no CAPTCHA reCAPTCHA, Contact Form 7 and Akismet.
WP Captcha prove that the visitor is a human being and not a spam robot. WP Captcha asks the visitors to answer a math questions.
Add captcha to forms easily, comment form, login form, register form, rest password form, easy to use and translate ready, no spam comments!
This Plugin provides very simple and powerful captcha for your blog with wide variety of captcha methods and models.
CAPTCHA with the sophistication of video advertising that protects your website from spam. Make money as we take human verification to the next level.
This is a plugin to add captcha to anywhere in website's form.