obus3000

wpDirectory can show a structured list of categories on a page (home or any), easily customizable via CSS and localized compatible. This plugin can also modify the admin interface for posting articles or listings in the directory, for both contributors and admins in order to gain efficiency when posting entries.
Features:
<ul>
<li>Category description in link title.</li>
<li>Show/Hide Subcategories</li>
<li>Show/Hide Amount of articles in parent and child categories.</li>
<li>Show/Hide empty categories.</li>
<li>Display categories on specified amount of colums with automatic reordering adjusting to user\’s resolution.</li>
<li>Use hierarchy for subcategories.</li>
<li>Exclude selected categories.</li>
</ul>
Special features:
<ul>
<li><code>div</code> powered listing, so design can be easily modified using CSS,a s you need. The parent category is inserted in a <code><div></code> container to mark it out with CSS as a parent.</li>
<li>Parent category is showing amount of articles in subcategories. The character also include the number of articles in this parent category.</li>
<li>Display the specified amount of child categories (2nd level).</li>
<li>Exclude child categories articles from the parent categories archive pages.</li>
<li>You can add icons for parent categories using CSS.</li>
<li>User can access to article’s source code.</li>
</ul>
Future Features:
<ul>
<li>Ability to show all subcategories in listing powered by ajax.</li>
<li>Show domain stats and relevant information about domain (for link directory)</li>
<li>Integration with TDO miniforms</li>
</ul>
Admin interface options:
<ul>
<li>Can prevent the listing have more than one category</li>
<li>Show warning to author, if not selected any category or if selected more than one category.</li>
<li>Hide unnecessary blocks from the “Write/Edit Post” page, if this is not the site administrator. It is “Comments & Pings”, “Excerpt”, “Password Protect” and other blocks. I.e. actually there is only a form of adding the article and the button to send it to moderation.</li>
<li>Specific height of categories block on “Write/Edit Post” page.</li>
<li>Custom “Terms of item publication” on “Write/Edit Post” page.</li>
</ul>
<h3>Version history</h3>
Version history and list of changes you can see <a href="http://arielbustillos.com/wpdirectory-wordpress-plugin/#version-history" rel="nofollow ugc">here</a>.

wpDirectory

A clean structured list of categories, which can be easily customized with CSS. Suitable for articles, links, business directory, etc.

microkid

This powerful plugin makes it super easy to manually select related posts for your content. You can search and select posts that fit your criteria, all from within the write/edit post screen.
Creating a system of related items on your website will result in more page views per unique visitor, and will improve Google’s understanding of your content.
As mentioned by <a href="http://yoast.com/articles/wordpress-seo/#relatedposts" title="WordPress SEO and Related Posts " rel="nofollow ugc">WordPress SEO</a> master Yoast:
<blockquote>
A very good alternative is Microkid’s related post plugin, which lets you manually pick related posts. This might cost a bit more time before you hit publish but might very well be worth your while.
</blockquote>
You can display related posts automatically underneath your content, use a shortcode or use the widget. Or, if you have some development skills, you can use one of the available API functions for full control of the way related posts are displayed on your website.
With its full support for Custom Post Types, this plugin will work perfectly for both basic and advanced WordPress installations.
See the official plugin homepage for <a href="http://www.microkid.net/wordpress/related-posts/" title="Wordpress Related Posts" rel="nofollow ugc">Related Posts for WordPress</a> for more info and discussion.
<h4>Features</h4>
<ul>
<li>Easily find posts or pages that might be related to the one you are writing with an integrated AJAX powered search utility</li>
<li>Easily add and remove relations with a single click</li>
<li>Extreme flexibility in the customization of the way the related posts are displayed on your website</li>
<li>The relationship created works reciprocal, which means that if post A is added as related to post B, post B is automatically added as related to post A as well (this option can be turned off easily through the settings panel)</li>
<li>Custom post types support</li>
<li>Multiple widget support with extended customization options</li>
<li>Shortcode support: add the [related-posts] shortcode to your post content to display related posts anywhere you want</li>
<li>Automatically display a list of related posts underneath your posts content. No need to add any PHP tags in your template files, but several <a href="http://www.microkid.net/wordpress/related-posts/#API" title="Related Posts for WordPress API functions" rel="nofollow ugc">functions</a> available for advanced users.</li>
<li>Available in a growing number of languages</li>
</ul>

So far good

Increase your pageviews and SEO by manually selecting related posts for your content. Easy reciprocal linking of related posts and pages.

wpDirectory vs Related Posts for WordPress