EZNEC 
   CocoaNEC (for MAC)

   N3FJP Logging Software
   Ham Radio Deluxe - sophisticated combination for logging and multiple modes of digital operation
   WorkedGrids for Windows - mapping application for grid square display from ADIF files
   N1MM Contest Logger
   Logger32 General Logging

   W6EL Prediction Software

   Winlink - e-mail via ham radio gateways
   Ham Radio Deluxe - sophisticated combination for logging and multiple modes of digital operation
   JT65-HF - weak signal HF digital mode
   WSJT9 - digital mode for meteor shower operation
   FreeDV - an HF digital voice package that is open source

   This Windows application is for users of N3FJP's VHF Contest software who wish to have a real-time interface with VE2ZAZ's WorkedGrids for Windows application.  Download here. 

 QSLs:

   QSL Maker
   HRD Label (works with Ham Radio Deluxe)
   QSL Design and Print

Radio Programming:

   RT Systems
   Radio Software

   CC Cluster - a very versatile package that includes ability to generate e-mail alerts per individual filters