Bookis - buy and sell books
Team Bookis
Booki
Made in Me
Google Play 북 - 전자책, 만화 및 오디오북
Google LLC
스토리텔 - 인생 오디오북
Storytel Sweden AB
Stolybook
YOLO FANTASY TECHNOLOGY(HK) LIMITED
Goodreads
PocketBook reader - any books
Pocketbook International SA
Blinkist: Book Summaries Daily
Blinks Labs GmbH
Epic: Kids' Books & Reading
Epic! Creations Inc
Handy Library - 도서관 주최자
Handy Library team