James Kemp

<p>This plugin allows you to list any number of related posts from the same category as the current post. You can also randomise these results. It is very lightweight, at only 3KB.</p>
<p>There are a number of options available:</p>
<ul>
<li>Choose the number of Posts to show</li>
<li>Choose whether it displays these posts randomly, or in order specified by you.</li>
<li>Choose whether to display a title, what tags to use, and what text should be displayed (e.g. H3)</li>
<li>Choose a class for the main UL</li>
</ul>
<p>To display the random related posts in its simplest form, simply place the following code in your single.php file – <code><?php relatedPosts(); ?></code>.</p>
<p>To edit the options availble, use the following codes:</p>
<pre><code><?php relatedPosts(
    $ppp = 4, 
    $rand = true, 
    $rPinctitle = true, 
    $rPtitletag = 'h3', 
    $rPtitle = 'Related Posts', 
    $rPulclass = 'related_posts',
    $orderby = 'title', 
    $order = 'ASC'
); ?>
</code></pre>
<p>Where:</p>
<ul>
<li><strong>$ppp</strong> = Number of posts to display (Any integer allowed)</li>
<li><strong>$rand</strong> = sets the display to random (true/false)</li>
<li><strong>$rPinctitle</strong> = Displays the title (true/false)</li>
<li><strong>$rPtitletag</strong> = The type of tag to wrap the title in (Default h3, but it can be any valid HTML tag)</li>
<li><strong>$rPtitle</strong> = The title to be displayed (This can be any text value)</li>
<li><strong>$rPulclass</strong> = This sets the class of the ul (This can be any text value)</li>
<li><strong>$rPexcerpt</strong> = Displays the post excerpt (true/false)</li>
<li><strong>$orderby</strong> = This allows you to order the posts by certain parameters (title/author/date/modified/menu_order/parent/ID/none/comment_count) <strong>If you want to choose the order of your posts, be sure to set $rand to false</strong></li>
<li><strong>$order</strong> = This can either be Ascending or Descending (ASC/DESC)</li>
</ul>


Random Related Posts Based on Category

This plugin allows you to list any number of related posts from the same category as the current post. You can also randomise these results.

slidervilla

Internet Techies

<p>The slider is a lightweight jQuery implementation of the related post functionality. Apart from template tag, it has a ready shortcode and widget as well to insert the slider anywhere in the blog post.</p>
<h4>Features</h4>
<ul>
<li>Showcase related posts in slider format, either in news style or in horizontal carousel format</li>
<li>Arrow navigation to see more related posts, so add as many related posts as you want</li>
<li>Complete CSS customization from settings panel</li>
<li>2 Pre Styled CSS provided with the plugin, one for dark colored theme and other for lighter theme. Also you can create your own style suitable for your site in no time and use it within the plugin using a simple option.</li>
<li>SEO benefits of showing more related posts on the post content page</li>
<li>Pulls Related Post using inbuilt algorithm or you can use with YARPP plugin or WordPress Related Posts plugin (by Zemanta) or Microkid’s Related Posts Plugin</li>
<li>Widget option available for Related Posts Slider</li>
<li>Shortcode option to insert Related Posts Slider in between the content of a post</li>
<li>Translation ready</li>
</ul>
<h4>Premium Sliders</h4>
<p>If you are looking for designer, easy to install featured content slider (slideshow) for your WordPress site, try <a href="http://slidervilla.com/" rel="nofollow ugc">SliderVilla</a> . Some common features of SliderVilla sliders are,</p>
<ul>
<li>Multiple Sliders on Single Page</li>
<li>Different content aut-fetching based on category, publish date or custom choice</li>
<li>Flashcard feature</li>
<li>100% customization option available on settings panel</li>
<li>No need to know programing languages like PHP, HTML, CSS for installation</li>
</ul>
<h4>RPS Demo and Information</h4>
<p><a href="http://www.clickonf5.org/10888/online-live-stream-event-free/" rel="nofollow ugc">Demo</a> |<br />
<a href="http://www.slidervilla.com/related-posts-slider/" rel="nofollow ugc">Plugin Information</a></p>
<h3>Usage</h3>
<p>Visit the plugin documentation page at http://guides.slidervilla.com/related-posts-slider to know how to insert and customize the slider. By default the related posts slider is inserted automatically below the content area of the post. But you can select manual insertion (either using templte tag or shortcode or widget) thru the settings panel of Related Posts Slider WordPress plugin.</p>


It works for me.

Related Posts Slider is working awesome on WordPress 4.1.1



Working fine on WP 4.1.1

Awesome plugin to show related posts in a carousel.



Random Related Posts Based on Category vs Related Posts Slider