BookWyrm is a Fediverse alternative to GoodReads, which is currently in closed beta testing.
You can add your name to the waiting list for beta test invitations by going to the flagship instance at:
Discover & explore Mastodon with no ads and no surveillance. Publish anything you want on Mastodon: links, pictures, text, audio & video.
All on a platform that is community-owned and ad-free.
Hosted by Stuxhost.