Popular search engines include:

- AltaVista                   http://www.altavista.com

- Excite                        http://www.excite.com

- Google                      http://www.google.com

- HotBot                      http://www.hotbot.com

- InfoSeek                    http://www.infoseek.com

- Lycos                        http://www.lycos.com

- Open Text                 http://index.opentext.com

- WebCrawler              http://www.webcrawler.com

- Yahoo                       http://www.yahoo.com

Meta-search engines include:

- Dogpile                     http://www.dogpile.com

- Internet Sleuth            http://www.isleuth.com

- MetaCrawler             http://metacrawlers.com

- Starting Point            http://www.stpt.com

- 37.com                      http://www.37.com/

For a discussion on when to use (and not to use) search engines see http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/MetaSearch.html

For a long list of search engines see    http://dir.yahoo.com/Computers_and_Internet/Internet/World_Wide_Web/Searching_the_Web/Search_Engines/