Back in the CPM/CPM86 days a popular business basic was CBasic/Cbasic86. I did a lot of work for small businesses in those basics. These days I use VB for Windows/SQL work when necessary. Commodore 64 ...
Microsoft has open-sourced the 6502 BASIC programming language interpreter from 1976. Its source code is now available on GitHub. Microsoft has finally open-sourced one of its oldest products: 6502 ...