Targhan:
Hmm well I am afraid the given rules do not fit with your current list

Basilisk II:
"Just" a port, athough it has a nice Mui Gui.
But then also Kelly Samels Ports have to be considered. (They are from 2004)

Frying Pan:
Software was available before 2004

afair the same goes for Bars n Pipes.

Dos Box is "just" a port *and* was available in 2003.

For Alfie Soft I `d say Amrss