| dmoz Open Directory Project |
| Emphasizes that it is a "human edited" directory compiled by a network of volunteer editors. |
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| Google U.S. Government Search |
| Offers a single location for searching across U.S. government information, and for keeping up to date on government news. In July, 2006, Google will begin scanning full text of Congressional hearings. |
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| SearchEngineWatch.com |
| Lists of search engines in various categories, including major, country-specific, specialty and metecrawlers. Rates search engines, gives tips for searching and information on how search engines work. |
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