LibraryThing
LibraryThing.com
Bookshelf-Your virtual library
SquidBit
Benim Kütüphanem
Julien Keith
Goodreads
Libby, by OverDrive
OverDrive, Inc.
Handy Library - Kütüphane Araç
Handy Library team
Google Play Kitaplar
Google LLC
Storytel: Sesli kitap, e-kitap
Storytel Sweden AB
Kobo Books Okuma Uygulaması
Kobo Books
Book Catalogue
Evan Leybourn