After Goodreads announced they're shutting down their API, OpenLibrary by the Internet Archive advertised itself as a GoodReads alternative. It's better and worse. Better in that you can loan books for free from it, worse in that you can't store metadata about books you've read like you can on goodreads. You can find more info here https://blog.openlibrary.org/2020/12/13/importing-your-goodreads-accessing-them-with-open-librarys-apis/
After Goodreads announced they're shutting down their API, OpenLibrary by the Internet Archive advertised itself as a GoodReads alternative. It's better and worse. Better in that you can loan books for free from it, worse in that you can't store metadata about books you've read like you can on goodreads. You can find more info here https://blog.openlibrary.org/2020/12/13/importing-your-goodreads-accessing-them-with-open-librarys-apis/