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.
Thanks. Might give it a shot. Don’t usually track my reading, but if I do, I won’t be feeding that data directly to one of the Frightful Five.