Litsy
LibraryThing.com
Goodreads
Inkitt: Books, Novels, Stories
Inkitt GmbH
Amazon Kindle
Amazon Mobile LLC
Everand: Ebooks and audiobooks
Scribd, Inc.
북모리 - 책을 기록하고, 기억하는 감성 독서 노트
Tony soft
Bookly: Book & Reading Tracker
SC TWODOOR GAMES SRL
StoryGraph
The StoryGraph
Bookshelf-Your virtual library
SquidBit
Stolybook
YOLO FANTASY TECHNOLOGY(HK) LIMITED