BetterWhoIs -Find out who owns any domain.
DevSearch -The developers search engine. 
DotCom Directory -From Network Solutions
eZines Db -Online pubs, e-zines, journals, newsletters.
Forum One -Search a quarter million web forums, BBs, etc..
Google Groups -Search newsgroups.
Great Domains -Domain broker. 
The List -The definitive list of ISPs.
NCSA -Tips. 
NetSearcher -"Reviewed, credible, and reliable."
Newsletter Access -Searchable directory of over 5,000 newsletters.
Tile.Net -Discussion lists, newsgroups, FTP sites.
W3C -World Wide Web Consortium.

Web Email Lists/ Listservers 

EzineDepot -Ezine and newsletter directory and search engine.
FindMail -Listserve
GlobeLists -Email discussion groups
Impulse -Email discussion groups
List of Lists -Listserver index/ SE.
List Universe -Resouces. Search its New Lists.
Lists Net -Directory of over 2,000 mailing lists.
Liszt -Listserver index/ SE.
LSoft -
PAML -Publicly Accessible Mailing Lists.
Tile.Net -Listserve info.
Topica -Listserver with 50,000 lists. Very user friendly. Hosts some nice specialty lists such as AllSearchEngines!
Yahoo! Groups -Listserver has 300,000 groups.

Hosts 

Frogsmart -Great hosting, personal service, bulk prices.
Hurricane Electric -My second favorite.Starts at $9
DigiWeb -Free shopping cart/ message board, CGI, more.
Host Index -Host rankings.
Interland -Top 5 host.
Top Hosts -Host rankings.
Verio -Biggest hosting company
XO -2nd largest host. Formerly Concentric. Owns 9NetAve
Webhosters.com -The largest free database of web hosting
WebHosting -Another big host, formerly Dynamic Web.
WebHostList -Lists hosting companies.

Domains

AOK Domains -Stake Your Claim at AOK Domains! Domain registration, WhoIs info, bulk checker, domain transfers, URL forwarding, email forwarding, and more!
BetterWhoIs -
BulkRegister -Good registrar
Network Solutions -Bloated bureaucracy, and very expensive.
ICANN -Accredits the various registrars
InternetNamesWW -Australian company.
Dotster -
eNom-Pretty good for domain transfers

File Extensions

ExtSearch -Helpful searchable database of file extensions. 
Webopedia -Extensive listing of file extensions.
WhatIs -Great index of acronyms and file extensions

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