I think this is cool proof of concept. But a warning: because it stores all the data on your PDS, and (at the moment) all PDS data is public, DO NOT USE IT to store any private information.
It is a huge drawback, but in the future it may become more interesting.
Arther OS – Web desktop environment on the AT Protocol · HackerTrans
It is a huge drawback, but in the future it may become more interesting.