Periodically I get reminded of, or ask questions about computing in the age before Linux, OSX, and Microsoft Windows (NT based). The following are some sites which are preserving the past. I think it’s amazing that people today can experience what computing was like in the 1970s and 1980s.

Emulators

• SimH
• open-simh
• PCjs
• infinitemac
• Seth Morabito emulator projects, most notably for me the Xerox Alto simulator
• living computer museum @github
• emutopia

Archive / Memorial Sites

• Multics
• Bitsaver
• archive.org software repository
• software preservation group part of the computer history museum
  • computerhistory.org xerox_alto_file_system_archive
• macintoshrepository.org

Revival Projects

• Interlisp-D