WordPress.org

Ella

Thong Dang

Victor M Ramirez

Ali Lyons

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.

authorstream

Helps you easily embed different presentation formats like PowerPoint files, Apple Keynotes, Adobe PDF files into your WordPress posts by inserting the WordPress embed code of presentations from authorSTREAM.authorSTREAM uses WordPress Short code API.
More info:
<ul>
<li><a href="http://www.authorSTREAM.com/Faq" rel="nofollow ugc">authorSTREAM WordPress plugin</a>.</li>
</ul>

authorSTREAM

Doesnt' work in https

Easily embed presentations(Keynotes, PDF, PPT, PPTX files) into your WordPress posts.

Presentation Block vs authorSTREAM