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OPEN-SOURCING THE LISA, MAC’S BIGGER SISTER

“Forty years ago, on January 19th of 1983, #Apple released the #Lisa, which was in many ways a revolutionary system. On January 19th of 2023, to celebrate the system’s 40th birthday, the Computer History Museum released the source code for Lisa OS version 3.1 under the Apple Academic License Agreement. Written in Pascal, the source includes over 1,300 source files, covering the #OS itself, the Lisa #Toolkit development system and a number of applications.”

<https://hackaday.com/2023/01/25/open-sourcing-the-lisa-macs-bigger-sister/>