Ivan Storck

The <a href="http://www.sustainablewebsites.com" rel="nofollow ugc">Sustainable Websites</a> WordPress Subcategories Widget displays all subcategories on a WordPress category archive page.
The widget will not show un-necessarily on pages or posts.
This widget is a useful navigation feature that will help your web site visitors drill down into your category hierarchy to find the right category. It is completely style-able with CSS. It’s also good for search engine optimization (SEO) to help your site’s link structure be easily crawl-able.
It’s a simple widget that does exactly what it says! Drag to your sidebar to activate.
Plugin homepage: <a href="http://www.sustainablewebsites.com/wordpress-subcategories-widget" rel="nofollow ugc">WordPress Subcategories Widget</a>
If you have any suggestions please email wordpress (at) sustainablewebsites (dot) com

SustainableWebsites WordPress Subcategories Widget

This WordPress Subcategories Widget displays all subcategories on a WordPress category archive page.

happymox

Display your selected post and page. 
A very simple plugin to add selectable post and page – for WordPress.
<h4>Features include</h4>
<ul>
<li>Easy to install</li>
<li>Use for any sidebar.</li>
<li>Get post(s) directly by a list of selected posts.</li>
<li>Widget to display the post feature image. </li>
<li>It will be displayed at random as the featured image of any post without an image.</li>
</ul>

SustainableWebsites WordPress Subcategories Widget vs Selectable Post and Page