Filtering RSS depends on your RSS client.
On the desktop, QuiteRSS [1] is really good at it.
On Android, SpaRSS [2] isn't entirely terrible at it, though there might be better ones out there (I've essentially only looked on F-Droid).
On the desktop, QuiteRSS [1] is really good at it.
On Android, SpaRSS [2] isn't entirely terrible at it, though there might be better ones out there (I've essentially only looked on F-Droid).
The only thing I still look at is HN and, as we can see, that goes almost with success.