CF7 ReCaptcha Mine
Protect your cf7 forms against spam and brute-force attacks. The plugin is invisible, compliant to…
پلگ ان ٽيگ: captcha
Captcha.eu
Captcha.eu, the GDPR compliant captcha plugin for WordPress!
Bonafide Tech Google Recaptcha for WordPress
The "Google reCaptcha for WordPress" is a perfect security solution to protect your website from…
[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.
F13 reCaptcha
Add Google reCaptcha to the comments section on blog posts. Additional hooks for adding reCaptcha…
TomS Vaptcha
Gesture captcha —— Easy for human, hard for robots. Protect the login, register, lostpassword and…
Show page after captcha Solve
This plugin protected a page by recaptcha and it show the page after captcha is…
PS PHPCaptcha WP
Simple PHP-GD based captcha to replace tracking prone systems like Google recaptcha
LazyCaptcha
LazyCaptcha is a small and lazy plugin to prevent bots from spamming your comments.
YouMe ID
The YouMe ID plugin provides two security features, i.e. an alternative CAPTCHA service and a…
ZT Captcha
The simple captcha plugin was developed to keep the WordPress website safe. Captcha helps protect…
GWP-Captcha
This will add letter captcha to your register form, login form, and lostpassword form. You…
Code Sample Contact Form
This is plugin to create simple contact form.
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：
Adaptive Login Action
Adaptive Login Form: Adjusting compromise between Comfort and Paranoia.
Sargas reCAPTCHA
reCAPTCHA for login, signup, comment, WooCommerce, Mailchimp and other forms.