Nils Harder

This plugin generates related posts for your articles using an automated gathering of related posts by the tags defined in your article. 
Just install it, place the shortcode in your content ([related]) or template (do_shortcode(‘[related]’)) and the related posts for your article are displayed.
Visit our <a href="https://www.inventivo.de" rel="nofollow ugc">Website</a> in order to see the plugin in action.
Inventivo WordPress plugins are small and simple: 
– Responsive – fits to all screens 
– Easy configuration 
– Lighweight code
Get your copy of the “Automated Related Posts by Tags” Plugin now!
How it works:
<ol>
<li>Upload the Plugin</li>
<li>Activate the Plugin</li>
</ol>

Automated Related Posts by Tags | inventivo

Automated Related Posts by Tags Plugin for WordPress

Marcel Pol

Remco

Benoit Chantre

A simple ‘related posts’ plugin that lets you select related posts manually. Supports any post types in WordPress, including custom ones.
Features:
<ul>
<li>Add related posts to your blog posts, pages etc.</li>
<li>Choose from posts, pages or custom post types.</li>
<li>Re-order related posts via drag and drop.</li>
<li>Lightweight in code and database-requests.</li>
<li>Includes Widget that shows the related posts.</li>
<li>List of posts can also be added to the content of your post.</li>
<li>Custom markup possible, build your own caroussel or anything you fancy.</li>
<li>Support for multilanguage plugins, like WPML and Qtranslate-X.</li>
<li>Duplicate plugin Related (Doubled Up) is included to build a second list.</li>
</ul>
The plugin was written to have the option to add related posts to each blog post using a simple but functional plugin. You can select the related posts yourself manually.
To display the related posts, there are three options:
<ul>
<li>You can use the widget that is included.</li>
<li>Use the content filter inside the settings.</li>
<li>Add PHP code to your template, see the installation docs.</li>
</ul>
For advanced options, see the installation docs.
<h4>Compatibility</h4>
This plugin is compatible with <a href="https://www.classicpress.net" rel="nofollow ugc">ClassicPress</a>.
<h4>Contributions</h4>
This plugin is also available in <a href="https://codeberg.org/cyclotouriste/related" rel="nofollow ugc">Codeberg</a>.

Manual Related Posts

Does exactly what is says it will. Very easy to integrate where you need it. Kudos to the dev who made it.

Simple and Easy to integrate

Very handy plugin for manually set your related posts !

Simple and Efficient

A simple 'related posts' plugin that lets you select related posts manually.

Automated Related Posts by Tags | inventivo vs Manual Related Posts