CompileIt: A Hypercard compiler written in Hypercard (2007)
lowendmac.com
lowendmac.com
https://archive.org/details/hypercard_compileit-251-working-...
> If you must use Unix, Apple's AU/X was arguably the least painful way to do it (much easier to use than OS X), but even AU/X was so bad it didn't last long.
> The Mac OS gave my productivity an order of magnitude boost; everything since then (even Mac OS versions after 6) only goes backwards.
His design for an OS: