If you'd rather not provide Amazon with even more of your personal data, LibraryThing (https://www.librarything.com/ https://www.librarything.com/) is a great a

If you'd rather not provide Amazon with even more of your personal data, LibraryThing (https://www.librarything.com/ https://www.librarything.com/) is a great alternative. I use Goodreads due to the social aspect, but I did try LT a while back and it was pretty good.