Log4OM a Modern logging and rig control program.

Logger32       FREE    PSK31 and  Logging  Program

N1MM Logger     FREE  log and contest program

LOG-EQF Software

DXtreme Software

YPLOG    logging and contest software
Hamscope    PSK  RTTY  CW + More with sound card MixWin    PSK  RTTY   CW  + More with sound card
  Ham logging software Link semi-dead!
NA Contest software  Demo works for Michigan QSO party CT Contest software    Freeware
GenLog     Free Windows contest software Logpa  free log book program
MiLog   General and contest logging with network support QSL Maker   make your QSL cards easy
Morse Runner Readme.txt and Setup.exe  

Antenna programs

HAMUNIVERSE and a lot of other information

ARRL-all you need to know about antenna modeling.