I have no experience with it, but this promises local storage of health records: https://github.com/fastenhealth/fasten-onprem

This was an interesting remark, I never thought of that

There are an estimated 11 million people there who contribute to the numerator (GDP) but are not counted in the denominator (population).

I think it’s worrisome because if hobbyist can do this, imagine what professionals with more time and money can do