PS PHPCaptcha WP
Simple PHP-GD based captcha to replace tracking prone systems like Google recaptcha
Etichetă modul: captcha
GWP-Captcha
This is a simple captcha system. That you can setting how many letter you would…
Ultimate Captcha reCAPTCHA Plugin for WordPress
This is a free plugin to protect your WordPress website.
Traum Captcha
最基本的形式：输入上图物质分子式，看着复杂，其实挺简单的，数数各个原子个数，按照顺序堆起来就行了。此外还有计算矩阵、说出事件发生日期的验证码，三者随机出现。
WP Admin Bruteforce Protection and Notification (by SiteGuarding.com)
Admin Bruteforce Protection was designed to manage the access to WordPress administrator login page. Plugin…