MoneyWeb Financial Search Directory http://www.moneywebsearch.com/ Directory of sites relating to business, finance and money.
FMLX http://www.fmlx.com/ Aggregates links about companies, stock information, analysis and research.
News Group Search Engines
Deja.com http://groups.google.com/ Formerly Deja News, the site underwent a major facelift in May 1999 and added new features. However, usenet / newsgroup searching still remains available.
Forum One http://www.forumone.com/ Allows you to search over 300,000 web-based discussion forums.
Arianna Usenet http://usenet.iol.it/ Usenet search engine that allows searching, browsing, posting and decoding of articles which are in Italian newsgroups.
Publicly Accessible Mailing Lists (PAML) http://paml.net/ A long-time and well-known place to find mailing lists.
eGroups http://groups.yahoo.com/ eGroups allows you to search for mailing lists of interest, or to read actual messages and post via an online interface. You can also start your own mailing list for free.
Internet Scout New List http://scout.cs.wisc.edu/addserv/new-list.html Not a search engine for mailing lists but a mailing list about new lists or changes to existing lists. The archives are searchable.