Florian TIAR

This plugin add a margin note to your content. 
For example, if you want to add a source to your post, you can use the shortcode. You will see a margin note in the left of your content when you hover the desired text.
This plugin use the following open source javascript library by Francisco Dans : https://github.com/fdansv/marginotes
If you want to contribute to this plugin, feel free to check the Github repository : https://github.com/Mahjouba91/wp-margin-notes

WP Margin Notes

Simply add margin notes to your content (pages, posts or CPT) just by using the [margin_notes] shortcode

Dominik Schilling

Share a link to anonymous users to preview a draft of a post (or any other public post type) before it is published.
Have you ever been writing a post with the help of someone who does not have access to your site and needed to give them the ability to preview it before publishing? This plugin takes care of that by generating an URL with an expiring nonce that can be given out for public preview.
Previously this plugin was maintained by <a href="https://profiles.wordpress.org/sivel/" rel="nofollow ugc">Matt Martz</a> and was an idea of <a href="https://profiles.wordpress.org/jdingman/" rel="nofollow ugc">Jonathan Dingman</a>. Photo by <a href="https://unsplash.com/photos/opened-book-on-grass-during-daytime-bhBONc07WsI" rel="nofollow ugc">Annelies Geneyn</a>.
<h3>Usage</h3>
<ul>
<li>To enable a public post preview check the box in the document settings. In the classic editor it’s in the “Publish” meta box.</li>
<li>The link will be displayed if the checkbox is checked, you can copy and share the link with your friends.</li>
<li>To disable a preview uncheck the box again.</li>
</ul>

Public Post Preview

This is one of the very few plugins I install on literally every single site I work on. Absolutely invaluable.

Must Install

This plugin has been very helpful in sharing articles for feedback before they are published. Straightforward and easy to use.  Thanks!

Works Great

This plugin does exactly what it needs to and nothing more. Very useful for previewing content before publication.

Very useful and simple plugin

A must have plugin

Allow anonymous users to preview a draft of a post before it is published.

WP Margin Notes vs Public Post Preview