jysafe

CN: 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。
EN: This is a special captcha plugin. 
 It is not verified by math but by chemical formula and Calculation matrix and date of some event.

Traum Captcha

Dmitriy Denisov

WebPoint Login is a simple and reliable plugin for replacing standard pages for authorization, registration and password reset in WordPress with protection from robots using Google reCAPTCHA.
<h4>Translations</h4>
WebPoint Login is available in two languages: English and Russian.

WebPoint Login

Authorization, registration and password reset with protection from robots.

Traum Captcha vs WebPoint Login