Yahoo offers both menu-based and keywords-based searches. #
Net Search offers both keywords-based (using the Infoseek engine) and menu-based searches. # 
Lycos offers menu-based and keywords-based searches.#
WebCrawler is a keywords-based search engine.#
Open Text is a keywords-based search engine, which offers three level of searches: a simple text search, a power search and a weighted search.#
Infoseek is a keywords-based search engine that offers an indexed list of "cool" sites.#
Yanoff is a menu-based search engine with an index of  files, arranged alphabetically by category.#
Silverplatter is a menu-based search engine with an index of files, arranged both alphabetically and by category.#
GNN is a menu-based search engine with an index of files, arranged alphabetically by category.#  
Veronica searches Gopher servers for all types of files. #
Jughead conducts a very in-depth search of the Gopher server it's 
located in.#
Archie searches for FTP files on a certain server by their file name.#
Four11 is an E-Mail-address search engine, organized as a white pages directory. #
LookUP is an E-Mail-address search engine, organized as a white pages directory.#
Netfind is an E-Mail-address search engine which searches Gopher servers and other servers attached to them.#  
DejaNews is a newsgroups search engine that conducts searches within Usenet.#
The Comprehensive list of sites conducts searches according to server name. #
SavvySearch is a meta-search engine, which performs your search using a group of search engines simultaneously.