BookWyrm is a social network for tracking your reading, talking about books, writing reviews, and discovering what to read next. Federation allows BookWyrm users to join small, trusted communities that can connect with one another, and with other ActivityPub services like Mastodon and Pleroma.
I have tried it, but really I am pretty happy with Librarything. I think my main annoyance was the importer processing hardly any of my books.