calibre - Ebook manager, viewer & converter
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Adobe Digital Editions - ebook reader software
Calibre Web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...
Icecream Ebook Reader - Ebook Reader by Icecream Apps allows to read ebooks in several formats (EPUB, MOBI, FB2 and others). Download EPUB Reader for Windows.
Moon Reader - Innovative book reader with powerful controls & full functions