@naught101@mastodon.social @charlesroper@indieweb.social @kissane@mas.to #Firefish (f. #Calckey), #Misskey, have that, it's called antenna(s).

You are not restricted to hashtags, because it uses keywords.

For example, I have an antenna on my Firefish account for gaming. My keywords are: games, gaming, steam, gog.com.

I can see posts from people I don't follow as long as the instance have seen it.