khalilalsous

The plugin displays the posts related to a specific post by category or post type.
Features include: 
* It can be controlled by admin 
* It can be controlled through the settings attached to this plugin 
* Built-in WordPress locale codes 
* display the related post attractively 
* Allows the administrator displays the posts related to a specific post by category or post type 
* Allows the administrator to limit the number of related posts to display 
* Allows the administrator to specify how to display the display related posts (ascending or descending)
<h4>Installing manually:</h4>
<ol>
<li>Unzip all files to the <code>wp-content/plugins/related-post</code> directory</li>
<li>Log into WordPress admin and activate the ‘Amazing Related Post’ plugin through the ‘Plugins’ menu</li>
<li>Go to Amazing Related Post > Home in the left-hand menu to start it</li>
</ol>

Amazing Related Post

The plugin displays the posts related to a specific post by category or post type.

Shambhu Patnaik

Pro Related Post Widget plugin.dynamically show related post according to post.
Note:
<ul>
<li>unchecked (Hide if no posts to show:?) case.if no post found then it work as latest post.</li>
</ul>
More Detail : http://socialcms.wordpress.com/

Pro Related Post Widget

Pro Related Post Widget plugin.dynamically show  related  post according to post.

Amazing Related Post vs Pro Related Post Widget