Max power, all-in-one, premium anti-spam. No comments spam & registrations spam, no email spam, protects any forms. Just install and forget spam.
This plugin allows you to implement Google Captcha (reCAPTCHA) into web forms.
PlusCaptcha - The Easiest Captcha to Setup and Execute, with Auto-Setup Feature! Trusted by thousands of blog, e-commerce, and government sites!
Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes, puzzles or fa
Math Captcha is a 100% effective CAPTCHA for WordPress that integrates into login, registration, comments, Contact Form 7 and bbPress.
The Add new recaptcha google plugin allows you to implement a super security REcaptcha form into web forms.
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.
An easy to use wordpress Captcha plugin to prevent spam on your site. You can use Image Captcha to protect comments and the admin panel.