General Contact Form
Genaral Contact From plugin allows a wordpress admin to easily create and add contact forms…
Kalaallisut
Integrates μcaptcha with WordPress, including comment and login/registration forms.
You want a captcha protected wplogin or wpadmin login? then use this plugin
Captcha, ajax and cache. Include login, registration, lost password and comments. Include CF7, WPForms and…
An easy to modify poll system that uses Google Charts to display the results
Add reCAPTCHA to your WordPress login form
实现网站登录用户和注册用户的时候,显示弹层中文点击验证码,防止恶意注册,恶意内容发表,恶意评论.
An easy to modify quiz system
Custom Responsive Contact, Login & Register Forms with Captcha. Redirection of Register and Login links…
Asks the visitor making the comment to key in the disappeared chinese word. This is…
NF Captcha adds Really Simple CAPTCHA element for human check.
Integrates a logic captcha to verify that the registrant is a human and not a…
This will add letter captcha to your register form, login form, and lostpassword form. You…
Adaptive Login Form: Adjusting compromise between Comfort and Paranoia.
reCAPTCHA for login, signup, comment, WooCommerce, Mailchimp and other forms.
Numeric Captcha for WooCommerce is a plugin that adds a numeric captcha to the WooCommerce…
This is a free plugin to protect your WordPress website.
CN: 最基本的形式: