mastodon.grin.hu is one of the many independent Mastodon servers you can use to participate in the fediverse.
This is a small Hungarian instance, run by grin, who operates a lot of open technology servers.

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grin

@tardis well, Hungarian [Finnugric], Basque, Navajo [Athabaskan] are good examples. 🙂
In fact Basque is probably the language isolate with the largest speaker base.
en.wikipedia.org/wiki/Language

But... unique may mean something else. Chinese is unique for its tonal system, or any in the blog.pimsleur.com/2020/09/29/w list. I doubt you'll find many material to study of those, though. 😁

en.wikipedia.orgLanguage isolate - Wikipedia

@tardis Funny, but Hungarian is said to be somewhat similar to Bulgarian (as for agglutination):
youtube.com/watch?v=Wh8PUImUMY