Source : https://home-assistant.io
Home Assistant will track the state of all the devices in your home, so you don't have to.
Control all your devices from a single, mobile-friendly, interface.
Home Assistant allows you to control all your devices without storing any of your data in the cloud. We like to keep your privacy private.
Set up advanced rules to control devices and bring your home alive.
Do you want to …
have the lights turn on when the sun sets and you are home?
have the lights turn on when anyone comes home and it is dark?
dim the lights when you start watching a movie on your Chromecast?
receive a message when the lights turn on while you are not at home?
---- Dev info ---
listen on 8123
config / logs and DB = /opt/Home-Assistant/CONFIG_DIR