hellothere

HelloThere plugin actively engages your visitors by asking them relevant questions in order to convert them into leads and customers. 
HelloThere makes it too simple. 
Just compose your questions and define the rules that trigger them. HelloThere will take care of the rest. By doing so, your site visitors will want to engage with your site and become your customers. 
The best part is that more than 73% of users provide their e-mail address after having the feeling of helping someone else and engage with hellothere widget.
Moreover, Hellothere helps you organize customer relationships like a boss. Our advanced tracking software collects detailed customer data and allows you to follow up with a personalized touch.
Features
<ul>
<li>Fully customizable</li>
<li>Manage your customers</li>
<li>Analytics</li>
<li>Contact Forms</li>
<li>Widget behaviour management</li>
<li>User activity and note tracking</li>
</ul>

HelloThere Widget

Ask targeted questions to onboard users, make decisions, and re-engage people. HelloThere actively engages your visitors by asking them relevant quest …

EverPress

Xaver

Mailster Newsletter Plugin

<h4>Add your WooCommerce customers to your Mailster subscriber lists</h4>
<blockquote>
This Plugin requires <a href="https://mailster.co/?utm_campaign=wporg&utm_source=wordpress.org&utm_medium=readme&utm_term=WooCommerce" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a>
</blockquote>
Read more about the add on on our <a href="https://kb.mailster.co/mailster-and-woocommerce/" rel="nofollow ugc">knowledge base</a>.

Mailster for WooCommerce

Had some suggestions/improvements - were added by the author within hours.
5/5 would buy again
;-)

No, seriously, thumbs up for revaxarts and the Mailster ecosystem!

Works as advertised, superb support

Add your WooCommerce customers to your Mailster subscriber lists

HelloThere Widget vs Mailster for WooCommerce