Below is a list of links that I have found useful:

http://guildmagic.com/

http://pub57.ezboard.com/btheeverquestnewbiezone

http://www.everlore.com/

http://eq.crgaming.com/

http://www.eqatlas.com

http://everquest.station.sony.com/

http://eq.stratics.com/

http://eqlizer.net/index.shtml

http://everquest.allakhazam.com/

http://eqvault.ign.com/

I have heard this is a useful site for rangers -- This is a great Link for http://www.interealms.com

I haven't acutally used the below sites, but they seem useful

http://eqloot.gamez.com/

http://www.planeteverquest.com/

http://www.mikeshea.net/everquest/refdesk.html

http://www.monkly-business.com/ -- I have heard this is a good site for Monks