HP 48 シリーズ
Emu48 for Windows
X48 for Mac OS X, POSIX (unix/linux)
m48 – HP48 emulator for the iPhone, based on Emu48
Droid48 – HP48 Emulator for Android OS, based on X48
An HP48 emulator – decompiler for Unix/Linux or Windows (using Cygwin) by Paul Courbis