Hacker News Reader

What is "blatant"? I don't think sister sites[1] are frowned upon. The code is released under a permissive license, after all.

OK, let's say "not acknowledged", and it doesn't seem to have anything to do with the tildeverse except for the statement in the about page.

At least I can claim that https://littr.me is part of the tildeverse because it uses ~username as a way to reach its users' profiles.