Now is the time to please implement the ZigBee protocol.
there is a new usb controller on the market.
can get it from amazon.com / .de
https://www.dresden-elektronik.de/funktechnik/solutions/wireless-light-control/gateways/conbee/?L=1&cHash=c9c902ccdb43164696acccf81b62b2bd
I have already read on amazon.de that it is working on Mac osx thru there new firmware.
there is full Rest Api avail also.
can be used with all known ZigBee lights and sensors.