Agreed. I think the way openphoto/trovebox does it with photos might be a solution to this problem... an open specification with the choice to store it on your

Agreed. I think the way openphoto/trovebox does it with photos might be a solution to this problem... an open specification with the choice to store it on your own server or your own AWS acccount... then the company provides pay services for hosting themselves or for providing the pre-built back-end and front-end tools.