Bookshelf
Vital Source Technologies
Bookmory - 本棚 / 読書記録 / 読書管理
Tony soft
Bookshelf-Your virtual library
SquidBit
Bookly: Book & Reading Tracker
SC TWODOOR GAMES SRL
FBReader Bookshelf
FBReader.ORG Limited
리딩앤
iPortfolio Inc.
Deseret Bookshelf
Deseret Book
Luna - Book & Reading Tracker
JGG Development
Cambridge Bookshelf
Cambridge University Press & Assessment
Turn - Reading Tracker & Timer
Jack Radford