Emulators
The following emulators are the known list available
Windows
SainT
STeem
WinSTon
STew
Gemulator
STEmulator
Aranym
Linux
STeem
Hatari
Aranym
STonX
CaSTaway
Mac OS X
NoSTalgia
Hatari
PocketPC
CastCE
Palm OS / Zodiac
CaSTaway
PSP
CaSTaway
GP2X
OutCaST
Dreamcast
DCaSTaway
DOS
PaCifiST
STonX
Echo
Other UNIX-like operating systems (FreeBSD, NetBSD, OpenBSD, etc.)
STonX
Hatari
CaSTaway
Aranym