A guide to directories of specialized search engines. Each directory is reviewed and classified in some detail.
A graphical interface of links to search engines. Multi-layered, with universal, United Kingdom, United States, European and worldwide sections.
A directory of search engines and directories worldwide, organized by geographical area and subject, includes articles on site submission, marketing, and optimization.
List of search engines and directories. Also includes a metasearch engine, search tutorial, and a free newsletter.
Search engines sorted by geographical location.
Bruce Clay's pictoral view of how search engines provide data to partner engines and directories. Requires Acrobat Reader.
Directory of databases and specialty search engines from Bright Planet.
Directory of hundreds of search engines, organised by country and topic.
A user's guide to Web searching with features, comparative analysis, strategies, discussion, news and reviews.
A directory of search engines: general, metasearch, pay-per-click, children's, subject, country and people search. All are described and can be rated.