chathuJ

Just install and activate. This plugin comes with 104 of pure CSS animations.
Once you activated the plugin you can click WP Animate Settings to get all class names. Then copy and paste it into your elements. That’s it!

Animate WP

Easily animate your elements by just adding a class! We use animate.css. 104 unique animations just using Pure CSS!

Dynamic.ooo

It’s an Elementor addons, so you must install Elementor FREE before activate the plugin. 
For every widget you can set many advanced and incredible effects and animations.
<a href="https://www.dynamic.ooo/widget/dynamic-animations/" rel="nofollow ugc">View FULL FEATURES, DEMO and MORE</a>
We also suggest this amazing plugin: <a href="https://wordpress.org/plugins/dynamic-visibility-for-elementor/" rel="ugc">Dynamic Visibility for Elementor</a>
<h4>How it works</h4>
Simply open a page in Elementor mode. Select your widget, go to Advanced tab. 
You’ll find a new “Dynamic” configuration. Open it, enable Animations and set as you prefer.

Dynamic Animations for Elementor

Extension for Elementor, you can move widgets with amazing effects.

Animate WP vs Dynamic Animations for Elementor