LibraryThing is described as 'Cataloging and social networking site for people who love to read. It allows users to easily create their own catalogs of books that they have read, own, or would like to read' and is a popular Social Network in the news & books category. There are more than 50 alternatives to LibraryThing for a variety of platforms, including Web-based, iPhone, Android, iPad and Android Tablet apps. The best LibraryThing alternative is Goodreads, which is free. Other great apps like LibraryThing are BookWyrm, Open Library, StoryGraph and inventaire.io.