This $30,000 computer’s source code has just been released for free ... (GUI), which used icons and windows to let people visually interact with their computers.

The Altair BASIC source code is available as a PDF download, covering 157 pages. Gates is “super proud of how it turned out,” and considering what Altair BASIC led to, he should be.

Now you can download its source code Written by Liam Tung, Contributing Writer Jan. 23, 2023 at 5:28 a.m. PT Image: Getty Images / Science & Society Picture Library ...

As part of the Apple Lisa's 40th birthday celebrations, the Computer History Museum has released the source code for Lisa OS version 3.1 under an Apple Academic License Agreement.