wpdreams

By adding Related Posts to your content header and footer you can enhance the user experience a lot. Well designed related posts section will keep your visitors on your site for a long time.
Stop worrying about related content. Related Posts Lite will provide you a powerful and beautiful related posts solution, which works with custom post types as well. Related Posts Lite uses a complex keyword based engine to look for related content.
The powerful backend will help you to customize the layout and behaviour of the plugin quick and easy.
Why related Posts Lite?
<ul>
<li>Very easy setup, instantly works</li>
<li>Smart thumbnail images with TimThumb image library</li>
<li>Consumes less CPU power</li>
<li>Database queries are highly optimized</li>
<li>Caching lets you save even more resources</li>
<li>Solid javascript and CSS</li>
<li>Support forum is checked regulary (as you can see)</li>
<li>No limitations</li>
</ul>
Features List:
<ul>
<li>Lookup in posts, pages and custom post types (like WooCommerce products)</li>
<li>Smart fill options, if no related content is found</li>
<li>Clean sliding layout with autoplay</li>
<li>6 retina ready pre-defined themes included</li>
<li>Smart image parsing with BFIThumb image caghing technology</li>
<li>Automatic caching for better speed</li>
<li>Use the custom shortcode [wpdreams_rpl] to put it anywhere ony our site</li>
</ul>
Homepage: <a href="http://wp-dreams.com" rel="nofollow ugc">wp-dreams.com</a>
Pro version Demo: <a href="http://demo.wp-dreams.com/?product=related_posts_pro" rel="nofollow ugc">Related Posts Pro</a>
<h3>Plugin website</h3>
<pre><code>http://wp-dreams.com
</code></pre>

xdark

Easy Related Posts is a WordPress plugin that displays posts related to the one a user is currently reading. 
Easy Related Posts can display related posts in main content area or in sidebars through a widget. 
Equipped with 3 eye catching fully responsive themes, supports basic modifications on them from admin panel. It also has a theme system that let you modify or write your own themes to match you personal needs. 
Through an intuitive algorithm it creates “relations” between posts and rates them based on posts categories and/or tags in a way so these ratings are as much as accurate they can be. 
Last but not least in any way, Easy Related Posts uses the best coding standards and practices with mind in security.
If you like this plugin please support the developers. You can do so using the links inside plugin settings page or by purchasing the PRO version.
PRO version can be purchased from <a href="http://erp.xdark.eu/downloads/easy-related-posts-pro/" rel="nofollow ugc">here</a>. 
To see a full list of features and compare them to the PRO version please visit <a href="http://erp.xdark.eu/version-comparison/" rel="nofollow ugc">this page</a>.
Easy Related Posts wont spam your visitors with content from other sites, ads or in any other way.
<a href="http://erp.xdark.eu/demo/" rel="nofollow ugc">See the demo</a>
This plugin requires PHP version 5.3 and above.
Features:
<ul>
<li>Easy to setup</li>
<li>Choose displayed content: excerpt length, thumbnail resizing and many more.</li>
<li>Choose if related posts should be fetched by categories or by tags</li>
<li>Exclude posts that have certain categories and/or tags from related posts</li>
<li>Prevent related posts from spawning in certain categories or tags</li>
<li>Display related posts as an eye-catching pop up block</li>
<li>Display related posts through a widget or/and in main content area</li>
<li>Options optimized before activation for most of the cases</li>
<li>Really fast, not a single database entry (I really love clean DB’s)</li>
<li>Responsive design</li>
</ul>
Please report any bugs or features you’d like to see in feature releases <a href="http://erp.xdark.eu/bugs/set_project.php?project_id=3" rel="nofollow ugc">here</a>

Easy Related Posts

Displays related posts in the end of each post or/and in sidebar through a widget

Related Posts Lite vs Easy Related Posts