This plugin allows you to implement super security captcha form into web forms.
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 allows you to implement Google Captcha (reCAPTCHA) into web forms.
Cartpauj Register Captcha does one simple task, and does it well. It prevents SPAM signups through WordPress's default registration form.
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.
Custom login and registration. 自定义登录注册。