Hugging Face Hub is a platform with over 120k models, 20k datasets, and 50k demo apps (Spaces), all open source and publicly available, in an online platform where people can easily collaborate and build ML together.
To use these AIs, you should set the environment variable HUGGINGFACEHUB_API_TOKEN (in ownAI, select "Connect to external AI providers" in the user menu in the upper right corner, or set the variables globally in your server's .env file).
Then download the aifile and load it with ownAI (in ownAI, click on the logo in the upper left corner to open the menu, then select "AI Workshop", then "New AI" and "Load Aifile").
Your models are running on an external provider's infrastructure. Please refer to the provider's privacy policy for details.