It’s also completely free and open source, and great for both casual users and computer experts. It’ll allow you to do nearly everything and it takes things a step beyond normal e-book software. Users say it’s outstanding and a must-have.
In short, Calibre is a powerful and easy to use e-book manager.
Editing books is supported for EPUB and AZW3 formats. Calibre supports organizing existing e-books into virtual libraries, displaying, editing, creating and converting e-books, as well as syncing e-books with a variety of e-readers. Calibre is a cross-platform open-source suite of e-book software.
