Which is better OpenHab or Home Assistant?

Recommendation: Home Assistant vs OpenHab What Is Best At the end of the day, it's an individual choice, you can either choose the no-fuss and easy to integrate UI that comes with Home Assistant or lean towards the more flexible style of coding backed by more advanced goals in the case of OpenHab. Sep 7, 2021

Can you use Alexa without the cloud?

You will need a Home Assistant installation up and running and some configured entities, a light or two should do just fine. You will also need an Alexa configured with the Alexa app as we will be using it to add Home Assistant as a device. Apr 11, 2020

What database does Home Assistant use?

SQLite Home Assistant uses database to store events and parameters for history and tracking. The default database used is SQLite and the database file is stored in your configuration directory (e.g., /home-assistant_v2.