DoomCode

Without this company we would not be able to play this great game ;P
http://ww.IDsoftware.com

The Homepage of the Doom source port Skulltag
http://www.Skulltag.com

The Homepage of the Doom source port Zdaemon
http://www.zdaemon.org

Here you can get the Internet Doom Explorer which supports ZD + ST + Odamex servers and IRC
http://doomutils.ucoz.com

The website of the clan SA - Savage Assassins
http://www.savageassassins.co.uk

The website of the clan EG - Endgame
http://www.endgameftw.com