General Directories -

Yahoo! Directory - Yahoo.com
DMOZ - Free but may take some time to get your site included
AroundTheWeb.com Directory - Around the Web.com
Zeal.com Directory - Provides free listings to editors for non commercial websites.
Business.com - $99 annual listing fee.
Wowdirectory.com - Free / Paid / Sponsored
GoGuides- Free for editor or one time $40 fee.
JoeAnt.com - Free for editor or one time $40 fee.
DaniWeb.com/Directory - Free but reciprocal link required.
BlueFind - one time $50 fee




This are just those that I could think off my mind. I will myself keep updating this list and if you got a list of more directories then do post about them below. Also, if you would want to review any of these directories then please start a thread about them in the Search Engine Marketing forum.