ReCaptcha addon for UsersWP.
The UsersWP ReCaptcha plugin allows you to implement a super security captcha into forms like registration, login forms. UsersWP Re-Captcha protects your site against spam, malicious registrations and other forms of attacks where computers try to disguise themselves as a human.
UsersWP Re-Captcha provides some of the smartest anti-spam security by protecting your site against spam and malicious registrations available today for WordPress.
Requirements
- You need the Google reCAPTCHA keys from here.