YouScribe – Lire, partout
YouScribe
Wikipedia
Wikimedia Foundation
Qu-You
Allen & Heath
Audible – 亚马逊有声读物
Audible, Inc.
Amazon Kindle
Amazon Mobile LLC
Google Play 图书
Google LLC
Libby由OverDrive赛阅提供
OverDrive, Inc.
Everand: Ebooks and audiobooks
Scribd, Inc.
ReadEra – pdf, epub 电子书阅读器
READERA LLC