There is still some controversy around the OpenWatcom license, preventing it from being included in Debian and possibly other places.
https://github.com/open-watcom/open-watcom-v2/discussions/27...
https://github.com/open-watcom/open-watcom-v2/discussions/27...
I didn’t know there was an open source version of the Watcom compilers and a 16-bit library to support them.