A directory of directories. Links to selected information rich web resources, both unspecialised and specialised, with a strong emphasis on United Kingdom based sites.

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.

A graphical interface of links to search engines. Multi-layered, with universal, United Kingdom, United States, European and worldwide sections.

An essay by John Hubbard analyzing the question of what is the best way to index the Internet, with references.

A directory of search engines and directories worldwide, organized by geographical area and subject, includes articles on site submission, marketing, and optimization.