http://www.puredarwin.org/

Specific download link:
https://github.com/PureDarwin/PD-17.4-Beta

Once download, you get this VMDK file (disk image):


Following are some settings in VirtualBox 6.1:



But I could not boot it successfully. I get a blank screen.

Anyone runs PureDarwin before?

Also, I have no luck to boot PureDarwin Xmas (an old version of Mac OS X):
https://github.com/PureDarwin/LegacyDownloa...nment-XMas-1.7z

(I think I tried "-v colors=32" if I recall correctly)