01WebDirectory - A general web directory that lists business and informative websites under various categories for...
DMOZ - DMOZ is a multilingual open-content directory of World Wide Web links.
Curlie Directory - Curlie is the largest human-edited directory of the Web.
ProLinkDirectory - A SEO friendly free link directory where you can find best sites selected by hand and sorted by category. For webmasters, the submission is fast and painless.
GoWorkable - Free & Global Business Listings submission List of companies, partnerships, list of factories, all industrial estates, with goWorkable. Search listings and enjoy a simple, Global business locator, made for web business. Add listings today
KnowledgePicker - Community-driven catalog of learning resources. Links to resources are organized by topics (broad to specific) and rated/reviewed by users so you see which ones are the best. It's free and open for everyone.