General ham links (ARRL, QSL bureaus, general ham-related sites)
Licensing Help (practice exams, FCC forms, info on change of address, vanity calls, etc)
Newsletter resources (technical articles, cartoons, and humor)
Reference information (call books, regulations)
Ham-related software and FAQs
Amateur Equipment Manufacturers

General Ham Radio

ARRL

The American Radio Relay League (ARRL)
"Hello-Radio" campaign (introduction to amateur radio)
"Emergency Radio" campaign (emphasizing the EmComm aspects)
ARRL North Texas Section On-Line Newsletter (requires ARRL login)
ARRL-sponsored QSL bureaus (incoming and outgoing)
 
Amateur Radio Satellite Corporation (Amsat)
TAPR Packet Radio Home Page
FCC Services: Amateur Radio Service (link updated 21 Feb 2002)
Amateur Radio NewsLine (Amateur Radio news from around the world)
This Week in Amateur Radio (TWiAR – a weekly bulletin service/news magazine)
WorldRadio web site (online information for hams)

Licensing Help

FCC Amateur Radio Service site gives information on changing your address, requesting a vanity call,  getting a special event call sign, and much more.
AA9PW practice exams (link correced 12 April 2006)
The QRZ Daily FCC Update page. This report contains new callsigns and/or updates posted by the FCC within the last 24 hours.

Newsletter Resources

New Ham Partner articles by Gerry Crenshaw, WD4BIS, articles aimed at new hams for reference or club newsletters.
ARRL Hamfest and Convention database

Reference Information / Call Books Online

Search the FCC license database here (by name or call sign)
University of Arkansas at Little Rock's U.S. Amateur Radio Callsign Lookup (updated daily) (link corrrected 12 April 2006)
FCC Part 97 Regulations for the Amateur Radio Service

Ham-related Software

NuMorse
Hypersoft (Ham Radio logging software. Free trial available).
N3FJP Amateur Radio Software (some shareware, some free. Logging software, club database)
Soundblaster programs for ham radio by Dr. Oliver Welp, DL9QJ (German, but some explainations in English)
DXSoft (general windows-based software for ham radio. Most for $, but there is a free "Hamport" for rig control. (The program can only control ICOM, Yaesu and Kenwood transceivers at present).
UoSAT Amateur Radio Software Library
Kh2D Ham Radio Software (some free)

Amateur Equipment Manufacturers

Yaesu-U.S.A.
Kenwood
Icom