Captcha Bank protects your website from spam and abuse while letting real people pass through with ease. It's more than just a Captcha!
This plugin allows you to implement super security captcha form into web forms.
The Add new recaptcha google plugin allows you to implement a super security REcaptcha form into web forms.
Keep spam bots out of your site without annoying Captcha codes, puzzles or faulty blacklists. Enterprise spam protection for sites of all sizes.
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.