Home Assistant
https://www.home-assistant.ioHome Assistant keeps your data local, no need for a cloud. Home Assistant communicates with your devices locally, and will fallback to pulling in data from the cloud if there is no other option. No data is stored in the cloud, and everything is processed locally. Companion Mobile Apps
Local IP Address - Home Assistant
https://www.home-assistant.io/integrations/local_ipLocal IP Address - Home Assistant Local IP Address The local_ip sensor will expose the local (LAN) IP address of your Home Assistant instance. This can be useful when your instance has a static public hostname (for example, if you use the Nabu Casa service), but have a dynamically allocated local LAN address (for example, configured via DHCP).