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.
Lovelace - Home Assistant
https://www.home-assistant.io/lovelaceLovelace. Lovelace is the Home Assistant dashboard. It is a fast, customizable and powerful way for users to manage their home using their mobiles and desktops. 29 different cards to place and configure as you like. Dashboard Editor: Allows you to manage your Lovelace dashboard by including a live preview when editing cards.
Glance Card - Home Assistant
www.home-assistant.io › lovelace › glanceThe Glance card is useful to group multiple sensors in a compact overview. Keep in mind that this can be used together with entity-filter cards to create dynamic cards. Screenshot of the Glance card. To add the Glance card to your user interface, click the Lovelace menu (three dots at the top right of the screen) and then Edit Dashboard.