Will have to use emacs, with its org-mode, browsers and other...

One file is convenient to transfer, but this does not cover the risks of possible loss of information or bugs with your software or format.
Regular files in a reliable file system are much safer.

As a database option, can be consider mounting an image with a file system, which is also convenient to transfer.
Additional data and indexes can be stored in an auxiliary file.

But, of course, your own database format is a good way to retain customers.

After closing base/doogiePIM, the position of the document files in the navigation tree in the document tab is not saved.
This began to appear after the accidental installation of one file by a child of another folder or file.

Very annoying trouble...

Without the normal blocking/removing of advertising and the deletion of site data, this is quite inconvenient and unsafe.

This is important for security, which, as I understand, is being tried to respect here.

How can i block third-party cookie as a normal browser?
How can I create a whitelist of sites and automatically delete cookies, localstorage, IndexedDB other sites after closing its tab?

Home tab.

@BiteSpire The font colour is dynamically changed to match an opposite colour based on the intensity of the current theme colour.

In some places this does not work:

Even that would be helpful.

I can't set default text color in schemes: