As a side note, when the documentation page is viewed in a dark mode browser, I see black text on black background (https://docs.openfile.tax/en/latest/).

it bugged me for a long time why a person can't store facts about themselves and let some software figure out which of those facts are needed for filling out any form, which needs the usual personal facts.

then one can review the required facts and decide which ones are they willing to share.

in fact governments could even standardize the kind of info they are dealing with usually and when a citizen wants the government to do something, instead of filling out forms, they could provide their own, self-hosted fact db, run the govt's query and provide the results (after review)