jysafe

<p>CN: 最基本的形式：<br />
    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。<br />
    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。</p>
<p>EN: This is a special captcha plugin.<br />
    It is not verified by math but by chemical formula and Calculation matrix and date of some event.</p>


Traum Captcha

Alkaweb

Webbaku

<p>Eonet Manual User Approve changes the registration behavior of your WordPres site. When the plugin is active, if an user<br />
signs up, any email containing password isn’t sent to him, instead he is alerted that have to wait for the adminin<br />
approvaation before be able to access.<br />
Meantime, the admin is alerted that a new user requested an approvation, he will be able to see the user informations,<br />
and decide if allow or deny to access. In both cases, the user is alerted by email about the admin action. If he<br />
has been approved, he will receive an email containing credentials.</p>
<h4>Main features:</h4>
<ul>
<li>Allows the admin to approve or deny user sign up</li>
<li>Disallow users to login if they are not approved</li>
<li>Disallow users to reset password if they are not approved</li>
<li>Send automatic emails to both users and admin on every important action</li>
<li>You can change the content of all the messages</li>
<li>Filter users by approval status</li>
<li>SUPER easy to use, just install and active it, it’s done.</li>
</ul>
<h4>Featured compatibility:</h4>
<ul>
<li>Full compatible with BuddyPress</li>
</ul>
<h4>For developers:</h4>
<ul>
<li>Hooks/Filters available in all the plugin code</li>
<li>Documented code</li>
<li>GPL license</li>
<li>Secure development using tokens and WordPress native functions</li>
</ul>


Eonet Manual User Approve

Allows the admin of the site to approve or deny users manually, after they have registered.

Traum Captcha vs Eonet Manual User Approve