th3mon

This plugin allows you to add pictures with rotator shortcode or directly in the source theme. Due to implementation 
of plug-ins for jQuery jcycle, you can set the transition effect to the next slide. 
You can also decide whether the plug is to load pictures randomly or not. For now, plug-in supports up to 10 photos. 
IF YOU LOAD MORE THAN THIS NUMBER WILL BE SKIPPED ALL THE PICTURES!
Requirements:
<ul>
<li>NextGen Gallery Plugin (https://wordpress.org/extend/plugins/nextgen-gallery/)</li>
</ul>

PS Rotator

Allows you to pick a gallery named as 'rotator' from the 'NextGen Gallery' plugin to use it as images rotator on your site.

WordPress.org

Ella

Thong Dang

Ali Lyons

Victor M Ramirez

This plugin requires WordPress version 5.3 or higher! It works best if you also have the <a href="https://wordpress.org/plugins/gutenberg/" rel="ugc">Gutenberg</a> plugin installed and up-to-date. 
Report issues, or collaborate, on <a href="https://github.com/abstractwp/slide" rel="nofollow ugc">Github</a>.
<ul>
<li>Creates a custom post type “Presentation”, which will render as a presentation on the front end using <a href="https://revealjs.com" rel="nofollow ugc">Reveal.js</a>.</li>
<li>Enables the block editor with a “Presentation Block” block, which can be used as a container for each slide in the presentation.</li>
<li>You can add background colors, gradients, images, even iframes for the whole presentation, but also per slide.</li>
<li>You can select a font, color, and size.</li>
<li>If that’s not enough, you can always add some custom CSS!</li>
<li>You can import a custom font by adding <code>@import url('https://fonts.googleapis.com/css?family=...');</code> above any other rules in the CSS input field.</li>
<li>It’s possible to include some notes with every slide.</li>
<li>You can enter a speaker view which will show the current slide, next slide, notes and timers.</li>
<li>A lot more options coming soon!</li>
</ul>

Presentation Block

Creates a custom post type “Presentation”, which will render as a presentation on the front end using Reveal.js.

PS Rotator vs Presentation Block