Calibre is a free and open-source e-book management software for Windows PC that allows users to organize, edit, and read e-books. It offers a range of features, including the ability to convert e-books between different formats, download and manage metadata, and sync with e-book readers and mobile devices.
Calibre supports a wide range of e-book formats, including EPUB, MOBI, and PDF, and it also includes a built-in e-book viewer that allows users to read and edit e-books without leaving the software. The software can be used to organize and manage large e-book collections, making it a popular choice for book lovers and digital librarians.
Additionally, Calibre includes a range of advanced features, such as the ability to download news articles and convert them into e-books, and it also supports plugins that can extend its functionality even further.