Cost / License
- Freemium (Subscription)
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)




calibre is described as 'Free e-book manager offering library management, multi-format conversion, syncing to devices, news download as e-books, built-in viewer, editor, and privacy' and is a leading Ebook Reader in the news & books category. There are more than 100 alternatives to calibre for a variety of platforms, including Windows, Android, Mac, Linux and Android Tablet apps. The best calibre alternative is KOReader, which is both free and Open Source. Other great apps like calibre are Librera Reader, Foliate, Koodo Reader and Readest.




QReader allows to read texts on smartphones (electronic books - eBooks). It is the high quality book reader, easy and powerful.
Nomad Reader is small and fancy application designed for convenient epub and fb2 books reading. The program runs on Android 1.5-3.1, supports images, styles, internal and external fonts and many other features.

ShuBook — A free alternative to Stanza with Chinese flavor
ShuBook gives you the convenience and freedom to download, import and read numerous ebooks.
ShuBook supports multiple book sources, multiple book formats, multiple ways of download, conversion between Simplified and Tra.
Application allows you easily converts djvu, epub, fb2, lit, azw, lrf and other eBook files to txt, pdf, pdb, rtf and other formats.



Bluefire Reader is your go-to reading application for ePub and PDF content, including ebooks from most online book stores and leading libraries around the world. Bluefire Reader includes support for eBooks protected by Adobe Content Server.



PDF 2 Epub is a free online file conversion service which allows you to create Epub ebooks out of PDF documents. It works for both, PDFs with editable content and scanned PDFs which do not contain any text information.

Kindle Cloud Reader lets you read ebooks instantly in your web browser - no Kindle device required.




Books is a simple application to access and organize your e-books on GNOME. It is meant to be a simple and elegant replacement for using a file manager to deal with e-books. It's included in the default set of core applications since GNOME 3.16.



"Scriba eBook Maker" is a project for building ebooks (in ePub, PDF and zip formats) using contents already available in other formats (e.g., HTML, PDF, XML, etc.) both on the Web and on file systems.
Stanzetta is a powerful reader of books in the epub format for smartphones running the 7.5 version of the Windows Phone OS .



With the Latest Reader Library You Can… Shop thousands of eBook titles including New York Times Bestsellers. Read eBooks on your PC or Mac with adjustable text and two-page view. Search inside your collection of eBooks. Borrow books from your library (library card required). Auto.

