Extension:CategoryLink

''This extension can be used to create an N column display of the categories on a page. It uses  tags and css for web 2.0 and standards compliance. Customization of the color scheme is handled by the css.''

This extension can be called with:

Installation

 * 1) Copy the CSS code below to the wiki page at wiki/index.php/MediaWiki:Common.css
 * 2) Copy php code below to extensions/CategoryLinks/CategoryLinks.php
 * 3) Add   to the end of your LocalSettings.php

Related Extensions
These can also produce category lists, but with different appearances and options.
 * CategoryTree
 * Dynamic Page List