Calibre

Calibre is an open-source eBook management platform used for organizing, converting, editing, and managing digital book collections with a flexible and user-friendly interface. It helps users maintain personal libraries, convert between multiple eBook formats, synchronize books with reading devices, and manage metadata efficiently.

• Provides a complete eBook management solution for organizing digital libraries.
• Supports conversion between multiple eBook formats including EPUB, MOBI, PDF, AZW3, and more.
• Includes metadata editing tools for managing book titles, authors, tags, and covers.
• Supports synchronization with eReaders and mobile devices.
• Offers an integrated eBook viewer with customizable reading options.
• Provides built-in news fetching capabilities to convert online content into eBook format.
• Supports plugins and extensions for additional functionality and customization.
• Includes a content server for accessing and sharing libraries over a network.

Check installed version:
$sudo su
$cd /tmp
$calibre --version

Disclaimer: Calibre is an open-source eBook management software intended for organizing and managing digital book collections. Performance and compatibility may vary depending on operating system configuration, installed plugins, connected devices, and library size. Proper system resources and supported eBook formats are recommended for optimal operation.