Undisputed leader of the TOP 10 web directories is Open Directory Project (dmoz.org).
This is the largest trustworthy human-edited directory in the Internet. Founded by Rich Skrenta and Bob True as early as 1998, dmoz.org is
now the leading multilingual open content directory of Web. Such recognition was won due to fair (non-commercial) moderation of registered sites by community of volunteer editors,
a huge number of categories and subcategories that facilitate searching necessary sites and a large list of registered, carefully reviewed websites.
Web World Directory (webworldindex.com) is a free great directory that springs from 2001.
There are 2 types of listings here - Free and Premium (premium listing fee is $25).
Web World Directory contains a vast base of articles, blogs and allows submitting articles dedicated to webmasters.