Nifty.

MacintoshPi is a small project that allows running full-screen versions of Apple's Mac OS 7, Mac OS 8 and Mac OS 9 with sound, active Internet connection and modem emulation under Raspberry Pi.

https://github.com/jaromaz/MacintoshPi https://jm.iq.pl/macintoshpi-mac-os-7-8-and-9-for-raspberry-pi/