Article about why we should be starting many new web directories in order to decentralize search.

A robust suite of plugins to build feature rich directories on your WordPress website.

This WordPress plugin can be configured to make a Web (links) directory or a business directory with locations and maps. Either way this is an impressive way to transform Wordpress into a full featured directory.

ESyndiCat is a powerful affordable web php directory software. Tons of directory plugins, top notch features that can help you build a powerful profitable directory site. eSyndiCat can be used as article directory software and business directory software. Download eSyndiCat PHP Directory Software right now!

A free directory script. Pretty basic. If money is tight and you have some knowledge of PHP this might work. I'm not sure this one is being actively maintained.

A versatile link directory script powered by PHP, Smarty, Jquery and mySQL that is versatile enough to be an article directory script, link directory script, classified ad site and much more.

Continuing to issue maintenance releases, no recent feature additions, but this is a pretty full featured script.

PhpMyDirectory is a website portal solution. Build and manage a website with ease. Built using PHP and MySQL, phpMyDirectory can be used to create websites focused on a business directory, classifieds, link indexing and more!

A powerful, multilingual business directory web script. Requires PHP 5 and MySQL.

A powerful web directory script. Actively being maintained and improved. Full support. This is a stand alone directory that can also be incorporated into Wordpress as a full featured plugin. This is what we use here at Indieseek. Recommended.