dvddemattia

<p>Free and easy to use plugin that allow you to add a list of related posts for each post, including Custom Post Types.</p>
<h3>Features And Options:</h3>
<ul>
<li>Add relations between posts.</li>
<li>Set number of related posts (1-20).</li>
<li>Custom title and custom template path.</li>
<li>Working with shortcode [cptrp].</li>
<li>Simple and free.</li>
<li>More features coming on updates.</li>
</ul>


CPTRP

Plugin that allow you to add a list of related posts for each post, including Custom Post Types.

Marcel Pol

Benoit Chantre

Remco

<p>A simple ‘related posts’ plugin that lets you select related posts manually. Supports any post types in WordPress, including custom ones.</p>
<p>Features:</p>
<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>
<p>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.</p>
<p>To display the related posts, there are three options:</p>
<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>
<p>For advanced options, see the installation docs.</p>
<h4>Compatibility</h4>
<p>This plugin is compatible with <a href="https://www.classicpress.net" rel="nofollow ugc">ClassicPress</a>.</p>
<h4>Contributions</h4>
<p>This plugin is also available in <a href="https://codeberg.org/cyclotouriste/related" rel="nofollow ugc">Codeberg</a>.</p>


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.

CPTRP vs Manual Related Posts