zigbee2tasmota 
UPDATE 2: A Wired Sonoff Zigbee Alternative
The updates for this little device keep coming. Thanks to the folks leaving comments, we keep getting more information. I apologize for not noticing this…
UPDATE: A Wired Sonoff Zigbee Alternative
So while the documentation in the initial post on how to compile and flash Tasmota to the ZB-GW03 works, there is a bug when using the Tasmotized device…
How to Use Zigbee2Tasmota with Home Assistant
To follow up my last post, integrating a newly flashed Tasmota Zigbee Coordinator with Home Assistant has a third option besides ZHA and Zigbee2MQTT; it…