General Contact Form
Genaral Contact From plugin allows a wordpress admin to…
プラグインタグ: captcha
μcaptcha
Integrates μcaptcha with WordPress, including comment a…
wp-login captcha
You want a captcha protected wplogin or wpadmin login? …
Captcha Ajax
Captcha, ajax and cache. Include login, registration, l…
woo-shortcode-popup
Creates a popup button on woocommerce shop page
PollMe
An easy to modify poll system that uses Google Charts t…
reCAPTCHA Login
Add reCAPTCHA to your WordPress login form
[凹凸曼]中文验证码
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.
QuizMe
An easy to modify quiz system
Normalized Forms with Captcha
Custom Responsive Contact, Login & Register Forms w…
Chinese Comment Spam Protection
Asks the visitor making the comment to key in the disap…
WP Contact Form
An easy and powerful form builder that lets your visito…
NF Captcha
NF Captcha adds Really Simple CAPTCHA element for human…
Logical Captcha
Integrates a logic captcha to verify that the registran…
GWP-Captcha
This will add letter captcha to your register form, log…
Adaptive Login Action
Adaptive Login Form: Adjusting compromise between Comfo…
Sargas reCAPTCHA
reCAPTCHA for login, signup, comment, WooCommerce, Mail…
Numeric Captcha for WooCommerce
Numeric Captcha for WooCommerce is a plugin that adds a…
Ultimate Captcha reCAPTCHA Plugin for WordPress
This is a free plugin to protect your WordPress website…
Traum Captcha
CN: 最基本的形式：