theHarvester is one of the most easily accessible tools for this. With the right commands, it gathers data from search engines and public repositories. It even accesses security APIs, revealing hosts, ...

I installed and ran theHarvester to see my Google.com footprint, and the results were astonishing. I'll show you how to get started.

There's an open-source alternative for NotebookLM that can be deployed to your local LAN and can work with locally-installed AI for better privacy.