ibnuyahya

This plugin allow you to display related post in the sidebar. It’s only appear when you open a single post. You can choose whether want to list all post or limit by number of posts.
<ul>
<li>Author: ibnuyahya</li>
<li>Author URI: <a href="http://www.ibnuyahya.com" title="developers note" rel="nofollow ugc">http://www.ibnuyahya.com</a></li>
<li>Copyright: Released under GNU GENERAL PUBLIC LICENSE</li>
</ul>

ersatzpole

<ul>
<li>This plugin generates a shortcode to dynamically display a horizontal jquery timeline of posts in your page/post.</li>
<li>Displays an excerpt of each post under the date shown above. </li>
<li>Five different display methods to choose from on options page.</li>
<li>Option to choose if the timeline begins at the oldest or newest post.</li>
<li>Timeline will fit smaller screen-widths on refresh or page load if on small-screen device.</li>
<li>See the ‘other notes’ tab for shortcode instructions.</li>
<li>The plugin works on every theme I have tried it with and is compatible with the latest version of WordPress.</li>
</ul>
<h3>How to use</h3>
Put this shortcode in your post or pages
[ml_timeline] The default shortcode will display all posts.
category_name=”Your-category-slug”
[ml_timeline category_name=”Your-category-slug”] Will display posts from a specific category or categories. Separate category slugs by commas.

Horizontal Timeline Shortcode

This plugin displays a horizontal timeline of posts in your page/post.

Related post widget vs Horizontal Timeline Shortcode