LibraryThing
LibraryThing.com
Bookshelf-Your virtual library
SquidBit
Handy Library - 圖書館組織者
Handy Library team
Libby,由 OverDrive 出品
OverDrive, Inc.
Google Play 圖書 - 電子書和漫畫
Google LLC
Bookshelf
Vital Source Technologies
Library For All
Library For All AU
Libib
Libib, Inc.
Librera: 一切為閱讀書籍
Librera
cloudLibrary
OCLC