calibre screenshots

Organizes and converts ebooks from a format to another and for multiple devices
Library View
calibre 3.4 : Library View

Alternative downloads

Icecream Ebook Reader
Read e-books in EPUB, MOBI, FB2, PDF, and other formats.
ICE Book Reader Professional
Read or listen to your e-books or use this reader as a teleprompter.
Epubor eBook Converter Ultimate
Straightforward e-book conversion tool with support for the most used formats.