Log4OM a Modern logging and rig control program.

Logger32       FREE    PSK31 and  Logging  Program

N1MM Logger     FREE  log and contest program


DXtreme Software

YPLOG    logging and contest software
Hamscope    PSK  RTTY  CW + More with sound card  
NA Contest software  Demo works for Michigan QSO party  
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.