You can't seamlessly use native RSS app across your home, work computers and mobile. P.S.: It uses fairly standard LAMP stack. Put it in a docker or qemu if you don't want to "pollute" your machine.
>Put it in a docker or qemu
I'm trying to avoid inserting extra abstraction layers (browserOS on top of OS) in the first place. Adding more just to contain the needless complexity of the separate webserver+database isn't my jam.