shawfactor

Quickly increase your readers’ engagement by adding related posts to the bottom of your post content.
Posts with the most terms in common will display at the top!
This plugin is capable of finding related posts in multiple taxonomies and post types. Include or exclude terms from the search for related posts. Change the look and feel by using your own templates in your (child) theme.
Additionally this plugin allows you to override the related posts that are automatically generated and choose your own related posts.
Requires wp_body_open
Note this plugin requires wordpress 5.2 and for your theme to support the wp_body_open hook (most good themes do).
Like this plugin? Please consider <a href="https://wordpress.org/support/view/plugin-reviews/lh-related-posts-by-taxonomy/" rel="ugc">leaving a 5-star review</a>.
Love this plugin or want to help the LocalHero Project? Please consider <a href="https://lhero.org/portfolio/lh-related-posts-by-taxonomy/" rel="nofollow ugc">making a donation</a>.
Plugin features:
<ul>
<li>Small Footprint. Unlike many other related post plugins this will have a minimal impact on site speed!</li>
<li>Highly Adjustable layout!</li>
<li>The ability to optionally manually set the related posts for each post in the post edit screen.</li>
</ul>

LH Related Posts by Taxonomy

A lightweight decisions not options related posts plugin.

Recmnd allows you to show related content to your readers. The recommendations are real-time and change when you update your content or when you publish new articles. All recommendations are served via a widget and you control its style, the information shown for each suggestion, the number of displayed recommendations, the time period of the recommendations, and the depth of the recommendation analysis. In order to use the Recmnd service you must register for an account: <a href="http://www.recmnd.com/plans/" rel="nofollow ugc">http://www.recmnd.com/plans/</a>. This plugin works with our trial accounts as well.
For more information, please visit the Recmnd website at <a href="http://www.recmnd.com/" rel="nofollow ugc">http://www.recmnd.com/</a>.

Recmnd

The plugin allows you to use the Recmnd service (www.recmnd.com - automatic recommendations) with your WordPress blog without coding.

LH Related Posts by Taxonomy vs Recmnd