I am an avid retrogamer and used to help upload emulators to a Windows-based multi-system frontend, so I have come across emulators for pretty much every retro console and computer.
The idea is that we can test the emulators in the 'Potential Emulators' tab and then populate the 'Working' tab accordingly
NOTE: I have NOT validated that they are ARM compatible Here is a link to a Google Sheet where I have listed all the Linux emulators that look promising: