W3Schools
http://www.w3schools.com/
WebReference
http://www.webreference.com/
WebMonkey FREE WYSIWYG
http://www.webmonkey.com/
HTML Goodies
http://www.htmlgoodies.com/
HTML Cheat Sheet:
http://hotwired.lycos.com/webmonkey/reference/html_cheatsheet/
HTML Color Codes:
http://hotwired.lycos.com/webmonkey/reference/color_codes/
HTML Special Characters Reference:
http://hotwired.lycos.com/webmonkey/reference/special_characters/
Creating HTML Frames:
http://hotwired.lycos.com/webmonkey/authoring/frames/index.html
Creating HTML Tables:
http://hotwired.lycos.com/webmonkey/authoring/tables/index.html
Cascading Stylesheets (CSS):
http://hotwired.lycos.com/webmonkey/authoring/stylesheets/index.html
DHTML Reference:
http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml/reference/dhtmlrefs.asp
XML:
http://hotwired.lycos.com/webmonkey/authoring/xml/index.html
The WWW Consortium (straight from the horse's mouth):
http://www.w3.org/
NVU
HTML Editor:
FREE WYSIWYG
http://www.nvu.com/
PDF995 Creation Software: FREE Software (if you
don't mine ads)
http://www.pdf995.com/
A Photoshop® Free Alternative
(Gimp): FREE Software
http://www.gimp.org/
WinZip File Compression:
http://www.winzip.com/index.htm
7.zip File Compression: FREE Software
http://www.7zip.com Another very good win zip software. This is the one I
use and it is free.
Advanced SEO Software:
http://tinyurl.com/3exm4y
eCover Design Service:
http://www.creativeronin.com/
Free Salespage Graphics:
http://masterresalecentral.com/
Affiliate Program for Your Website:
http://tinyurl.com/2m22rm