Bookshelf
Vital Source Technologies
북모리 - 책을 기록하고, 기억하는 감성 독서 노트
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