While we're on the topic, Cool Retro Term is open source or free and so much fun to play with. I have a real thing for the amber monitors. I got to see some ancient ones still operating the world in my early career on the dying open outcry trading floors of the American Stock Exchange in the mid 2000s.
LMGTFY:
https://www.google.com/search?q=amber+monitor&tbm=isch&sourc...: