calibre - Ebook manager, viewer & converter
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Foliate - A simple and modern eBook viewer.
FBReader - FBReader is an e-book reader for various platforms. Features:
All My Books - Book inventory, Ebook Collection Organizer, Book Collection Manager, Book Collection Organizer:
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.