Insteon / X10 (2412N, 2412S, 2413U, 2245-222, Insteon Hub
UPB Universal Powerline Bus (Serial PIM)
Belkin WeMo WeMo Wifi Switches
JDS Stargate (RS232 / RS485)
Radio Thermostat WiFi Enabled Thermostat (CT30)
Nest Labs Nest thermostat
Venstar ColorTouch Thermostat (5/6800)
Weeder Digital I/O board (Wtdio/RS232)
Logitech Harmony Universal WiFi Remote (Harmony Ultimate)
WGL Designs W800RF32 X10 RF receiver (W800/RS232)
Arduino Uno board (USB)
X10 CM11a (RS232)
Mochad X10 CM15 (USB) and CM19 (USB)
Misterhouse Voice Commands MHSend (TCP)
Spark I/O WiFi devices
Z-Wave (Aeon Labs via python-openzwave) DSA02203-ZWUS
Phillips HUE Phillips HUE, Zigbee lighting
Raspberry Pi GPIO pins, both local and remote over the network.
Weeder Analog I/O board (Wtaio/RS232)
Ube Wifi Devices
CoralStar WiFi Devices