Brontobytes

Exit Popup enables you to display a jQuery modal window, which can include text, images, videos, forms, maps and so on, before a visitor leaves your website.
Exit Popup intelligently detects mouse behaviors and then pops up a modal window when your visitors are about to close the current web page, helping you increase your landing page conversion rates, newsletter subscribers, and so on. 
From experience, you can expect a 7% to 12% conversion rate increase – depending on your audience, traffic quality, and offer.
<ul>
<li>Display almost anything you could display on a normal web page using HTML</li>
<li>WordPress shortcode can be used in popup content + WPML compatibility</li>
<li>Control the Height and Width of your Popup window</li>
<li>Control how often your visitors see the popup</li>
</ul>
Feel free to try out the plugin through our installation of <a href="https://www.brontobytes.com/blog/exit-popup-free-wordpress-plugin/" rel="nofollow ugc">Exit Popup</a>.

Exit Popup

Not responsive but added few custom style rules and it was fine. This'd be the bare minimum I'd add:

#exitpopup-modal .exitpopup-modal-window {
	max-width: 100%;
	max-height: 100%;
	overflow: auto;
}



Nice and light

Вместо показа окна на выходе, показывает окно после пары секунд после входа и только на главной

Не работает как ожидается

Display a jQuery modal window, which can include text, images, videos, forms, maps and so on, before a visitor leaves your website.

kevinweber

wBounce is the free exit popup software for WordPress, evolved by <a href="https://www.kweber.com" rel="nofollow ugc">Kevin Weber</a>. This plugin bases on <a href="http://carlsednaoui.github.io/ouibounce/" rel="nofollow ugc">Ouibounce</a> by Carl Sednaoui.
Exit popups are not only “in vogue”, they are provably increasing conversions and therefore boost marketing, signups and sales. wBounce displays an inline popup before the user leaves your site. (“Inline popup” means that this is NOT one of those out-dated, annoying popups windows.) Inline popups catch the visitor’s attention even if they are in the process of leaving your site.
wBounce is the free alternative to charged services like Bounce Exchange or OptinMonster that are often used for landing page optimisation. wBounce is lightweight and renounces unnecessary scripts. You decide which features will be developed and implemented next.
One concern in everyone’s interest: Make sure to provide VALUE when you use wBounce and don’t spam your visitors.
This plugin makes it extremely easy to implement exit popups. You don’t have to manually “hack” your WordPress theme. Just activate and modify it via your admin backend. It works with WordPress Multisite so that you can define a wBounce template for each site in your network.
Demo and more information on the developer’s website: <a href="https://www.kweber.com/wbounce/" rel="nofollow ugc">kevinw.de/wbounce/</a>
You want to enhance this plugin? Please <a href="https://github.com/kevinweber/wbounce" rel="nofollow ugc">contribute on Github</a>.
<h4>Features:</h4>
<ul>
<li>Display inline popup before the user leaves the site</li>
<li>Alternatively display popup on enter or after a certain time period (self-acting fire)</li>
<li>Set custom content via backend</li>
<li>Define custom content for pages and posts individually using a flexible template engine which uses so-called “magic shortcodes”</li>
<li>Lots of open/exit animation styles</li>
<li>Shortcodes from other plugins are also supported</li>
<li>Determine sensitivity, cookie expiration, hesitation, and more</li>
<li>Add custom CSS</li>
<li>Set default status: Define if wBounce should be fired on posts and/or pages by default. You can override the default setting on every post and page individually.</li>
<li>Event tracking with Google Analytics and Piwik</li>
</ul>

wBounce

wBounce improves bounce rate to boost conversions and sales. The free alternative to Bounce Exchange for WordPress.

Exit Popup vs wBounce