Winlink (free) and Sailmail (over $200/year last I read somewhere) are the same, except you can't conduct a for profit business on HAM.
Someone please put together the correct info and have CD make it a sticky. please, please
Someone who actually knows that is. This is one of the diffucult things to learn and get through our thick skulls. Somebody that knows has licenses for both and has the time have CD make it your thread and lock it where only you can make changes. We can create a new thread for a FAQ to put in there.
The question about HAM's and SSB are always coming up and in every forum you look in.