Altarsoft PDF Reader - Altarsoft PDF Reader is a simple to use PDF files management program that allows its users to view PDF files, encrypt the files and even annotate these files as well.
calibre - Ebook manager, viewer & converter
Cool PDF Reader - Just like its name Cool PDF Reader, this small PDF reader is a really a cool PDF reader for viewing, reading and editing PDF files for free.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
eXPert PDF Reader - eXPert PDF Reader is a free to use PDF reader and views for the Windows operating systems.
ReadOut - ReadOut is a text to speech conversion app by Flying Phoenix that offers features to enable you to import text from a variety of different sources to convert it into speech in various languages right on your mobile phone.