[eyeamok]

I ship packages regularly in my business and UPS is windows only

[ShadowAce]

A VM running Window inside Linux should take care of those issues for you.

[Myrddin]

I ship packages regularly in my business and UPS is windows only

Many of the specialized embedding system programming tools are Windows only. That was the case with the PIC micro-controller compilers. I used many of them for CAN bus projects.