Offers a front-end to the most important international search engines for targeted web search and manual URL submission.

Provides a large list of SEO-friendly general and niche directories. There are also forums to discuss directories.

Searchable, human-edited, statistical guide to web directories. Includes submission tracking system.

Listing web directories by category and by fees charged for inclusion.

Rankings and reviews of free and paid web directories. Manual submission service available.

List of Internet directories to aid website owners in the submission process.