AltaVista - one of the largest and most comprehensive search engines available, it searches the entire HTML file and also gives the option for searching Usenet.

Excite - The feature "More Like This" can be helpful in narrowing down the search; "Channels" have news and reviews of other sites.

HotBot - has some unique search features that make this a very useful search engine, including sorting results by date or media type.

Infoseek - search the web, gopher, FTP, Infoseek Select sites, Usenet newsgroups, company directory, e-mail addresses, and timely news.

Lycos - one of the oldest search tools on the Internet, but keeping up-to-date with a variety of result options available.

Northern Lights - the newest one with good, extensive content and a feature for classification of hits by division into custom search folders.

Web Crawler - best for identifying major WWW resources or most relevant sites for mainstream resources. It may be a good place to start for those new to keyword searching with full-text indexing.