alexmoskovsky

Provided by <a href="http://multitoolbox.com/" rel="nofollow ugc">Multitoolbox</a>.
Simple, but strong captcha, built to prevent spam in WordPress comments. Succesfully blocks Xrumer-like tools.
To leave a comment on your blog, visitors need to simple check the captcha’s field. That’s all! Forget about annoying typeing of letters and digits.
Features:
<ul>
<li>Extremely simple passing for human;</li>
<li>Built-in id’s and function name’s generator to produce unique and random values, Xrumer won’t pass;</li>
<li>Catchy look, you commentators won’t miss;</li>
<li>Captcha’s code will be pasted into the comment form via JavaScript, so spam-bots will get a big parsing problems; </li>
<li>Comment text saving, so if commentators forgot to check captcha’s field, they never have to write commen again.</li>
</ul>
Languages:
<ul>
<li>English;</li>
<li>Русский;</li>
<li>Український (thanks to <a href="http://sweatego.ru/" rel="nofollow ugc">Sweat Tony</a>);</li>
<li>Italiano (thanks to <a href="http://sweatego.ru/" rel="nofollow ugc">Sweat Tony</a>).</li>
<li>Čeština (thanks to <a href="http://spa-ostrov.ru/" rel="nofollow ugc">Zeleny Rajce</a>).</li>
<li>Français (thanks to <a href="http://www.android-software.fr/" rel="nofollow ugc">Laurent</a>).</li>
<li>Беларуская (thanks to <a href="http://pc.de/" rel="nofollow ugc">Marcis G.</a>).</li>
</ul>
Amcaptcha is bulletproof solution tested on many blogs.

Amcaptcha

Simple, but strong captcha, built to prevent spam in Wordpress comments. One-click solution tested on many blogs!

Jordi Cabot

gwendaldaniel

joangi

xatkit

Make sure you provide the best experience to your site visitors by adding a chatbot that helps them to navigate your site. Or answer the questions they may have. Or…
By combining the power of Xatkit with the power of WordPress, you’re free to create and embed bots as complex as you are able to imagine.
<h3>What if I don’t want to create and deploy the bots myself</h3>
We’ll be happy to create a custom bot completely designed to fit your needs. We can also help you deploy, host and monitor any bot you create. <a href="https://xatkit.com/contact-us/" rel="nofollow ugc">Let us know what you need</a> for more information.
And if you’re looking for a bot to help you sell more doing less, you can install our fully automated premium <a href="https://wordpress.org/plugins/xatkit-chatbot-for-woocommerce/" rel="ugc">expert WooCommerce chatbot</a> that comes with plenty of built-in conversations to help your visitors and sell more doing less.
<h3>Configuration</h3>
You can configure some aspects of the chatbot widget visualization and the pages where the bot should be displayed. Additional customization are possible by directly modifying the plugin’s CSS styles.

Blog Navigator Chatbot by Xatkit

Right now, the number of questions the bot can answer is limited but in exchange there's nothing to do on your site. Install the plugin and you'll get the chatbot right away. 

Great FREE chatbot plugin - Nothing to do

Add a Xatkit chatbot to your WordPress site. Xatkit is an open source bot development framework.

Amcaptcha vs Blog Navigator Chatbot by Xatkit