PS PHPCaptcha WP
Simple PHP-GD based captcha to replace tracking prone systems like Google recaptcha
Plugin-tag: captcha
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.
Login Captcha
This plugin used to apply/add login captcha field to wordpress login form.
Comments Form Captcha
This is a very basic plugin but work efficiently. Any suggestions are welcomed and I…
Tapcha
A gesture based CAPTCHA scheme. Integrates with Contact Form 7
Bonafide Tech Google Recaptcha for WordPress
The "Google reCaptcha for WordPress" is a perfect security solution to protect your website from…