Sumatra
blog.kowalczyk.info/software/sumatrapdf
Azardi Desktop
azardi.infogridpacific.com/azardi-download.html
Calibre
calibre-ebook.com/
FBReader for Windows
fbreader.org
Cool Reader
crengine.sourceforge.net
STDU Viewer
www.stdutility.com/stduviewer.html
Sony Reader
ebookstore.sony.com/download
Adobe Digital Editions
www.adobe.com/es/products/digital-editions/download.html
Epubreader for Firefox
addons.mozilla.org/es/firefox/addon/epubreader
MagicScroll eBook Reader for Google Chrome
chrome.google.com/webstore/search-apps/ebook