Gambas ;)

https://gambaswiki.org/website/en/main.html

The point is that is was included in Windows.

Already enterprise approved on the MS stack.

I know HN is all startups with macbooks on local admin, but in bigger companies even devs cannot just install whatever they want.

I used to run it on a very crappy PC when it came out. The binary is probably pretty tiny and can likely be decompiled quite nicely with modern tools.