- Pandia Powersearch
- List of search engines and directories. Also includes a metasearch engine, search tutorial, and a free newsletter. - Search Engine Colossus - Directory of hundreds of search engines, organised by country and topic.
- Search Engine Watch - A guide to search engine marketing and search engine optimization. Forums, reviews, articles, ratings, and frequent newsletters. Paying members receive access to extra content.
- Complete Planet - Directory of databases and specialty search engines from Bright Planet.
- FTP Search Engines - Rated links to ftp and mp3 search sites.
- Those Dark Hiding Places: The Invisible Web Revealed - Librarian Robert J. Lackie provides annotated links to directories, searchable sites, databases, and search engines useful for uncovering content that the general search engines fail to disclose.
- Search Engines Worldwide - Search engines sorted by geographical location.
- Age of Dot Com - Links to search resources including start pages, integrated search forms, portals, engines, guides, and directories. Offers both a simple links page and a directory with descriptions and ratings.
- The Ultimate Search Engine Links Page - A directory of search engines: general, metasearch, pay-per-click, children's, subject, country and people search. All are described and can be rated.
- Big Search Engine Index - Directory listing hundreds of search engines, categorized, described and rated.
- CyberTimes Navigator - The starting point that New York Times reporters and editors use for their explorations of the Web. A straightforward list of some of the best sources on the Web for all types of information.
- Search Tools for Web Sites and Intranets - Provides information, news and advice about web site searching technology. Includes a guide, search tools list, glossary, and opportunity to compare searches of its own site by different tools. Offers a free monthly email newsletter.
- Geniusfind - Categorizes thousands of the most useful topic-specific directories and databases, with descriptions.
- Search Engine Relationship Chart - Bruce Clay's pictorial view of how search engines provide data to partner engines and directories. [PDF]
- Searchenginez - Search forms for the most effective engines in dozens of categories from Robert Skelton. Includes reviews, ratings, webmaster tools, and tutorials.
- Search Engine Showdown - A user's guide to Web searching with features, comparative analysis, strategies, discussion, news and reviews.
- FinderSeeker - Find the search engine you want by selecting a thematical category and/or country, or search by keyword.
- Indexing the Internet - An essay by John Hubbard analyzing the question of what is the best way to index the Internet, with references.
- Fetchfido - A graphical interface of links to search engines. Multi-layered, with universal, United Kingdom, United States, European and worldwide sections.
- Topix: Search Engines News - News on the search engine industry continually updated from thousands of sources around the Net.
- ISEDB - A directory of search engines and directories worldwide, organized by geographical area and subject, includes articles on site submission, marketing, and optimization.
- Web Search University 2009 - Conference for Internet researchers to hone their skills and refresh their search competencies, held September 14-15, 2009, Washington, DC. Includes registration and past event schedules and speakers.
- Directories (447)
- Search Engines (315)