calibre - Ebook manager, viewer & converter
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Adobe Digital Editions - ebook reader software
FBReader - FBReader is an e-book reader for various platforms. Features:
Bluefire - Bluefire Reader is your go-to reading application for ePub and PDF content, including ebooks from...
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.