Seven years after the appearance of a major release. Calibre is free and open source software for reading, creating and storing electronic books of various formats in the electronic library. The program has the ability to synchronize with devices for reading electronic books more than a dozen different manufacturers, including Amazon, Android, Apple, Barnes & Noble /
Over the past year many new features have been added to the program:
The presentation of the covers of books in the form of a grid
Virtual Libraries
Converting Microsoft Word Documents
Full support for nested fonts
Convenient editing the table of contents in the books