"Brian Reay" wrote in message
...
I'm trying to find some software, ideally for Linux but MacOS is
acceptable, to design duplexers.
I've located a Windows program but I rarely use Windows and don't use
Wine.

For that type of user program, it will be irrelevant to you as to whether
you use Windows or Linux as the underlying operating system, so use the
Windows package that you already have located.