Microsoft open-sourced the MS-BASIC language. Bill Gates would never have seen this coming back in the day. MS-BASIC 1.1 was many developers' first language. In 1976, they rebranded Altair BASIC to ...
Surely BASIC is properly obsolete by now, right? Perhaps not. In addition to inspiring a large part of home computing today, BASIC is still very much alive today, even outside of retro computing.