The Computer History Museum in Mountain View has worked with Apple to secure the release of the source code for the OS and office applications of the #AppleLisa computer.
Arguably, this is the earliest comprehensive #GUI environment for a personal computer, and it was first for sale 40 years ago today. It was written in a whole lot of #Pascal .
You can download it here:
https://computerhistory.org/blog/the-lisa-apples-most-influential-failure/
Meanwhile, on LisaList2, folks are starting to dig in:


