Free EPUB reader (Softwares)

1. Calibre.
http://calibre-ebook.com/download

2. FBReader.
http://www.fbreader.org/

3. MobiPocket Reader.
http://www.mobipocket.com/en/Downloa...ailsReader.asp

4. Azardi.
http://azardi.infogridpacific.com/

5. Adobe Digital Edition.
http://www.adobe.com/products/digital-editions.html

6. Cool Reader.
http://coolreader.org/e-index.htm

7. KooBits.
http://www.koobits.com/koobits-4$

8. Sony Reader.
https://ebookstore.sony.com/download/

9. Blio.
https://www.blio.com/blio/screens/homepage.jsp

10. Okular.
http://okular.kde.org/

11. EPUBReader. (Firefox Addon)
http://www.epubread.com/en/

12. yBook.
http://www.spacejock.com/yBook.html

13. Emerson Reader.
http://code.google.com/p/emerson-reader/