calibre screenshots

Manage your e-book collection, edit them, and convert e-books between formats
calibre 4.8 : Preferences

Alternative downloads

Icecream Ebook Reader
Works with EPUB, MOBI, FB2, PDF, CBR, CBZ ebooks.
Epubor eBook Converter Ultimate
Straightforward e-book conversion tool with support for the most used formats.
All My Books
Organize and catalog all your books - printed, e-books, and audiobooks.