电子书综合管理软件Calibre

https://github.com/kovidgoyal/calibre

calibre is an e-book manager. It can view, convert, edit and catalog e-books in all of the major e-book formats. It can also talk to e-book reader devices. It can go out to the internet and fetch metadata for your books. It can download newspapers and convert them into e-books for convenient reading. It is cross platform, running on Linux, Windows and macOS.

Calibre 是一款电子书管理软件。它可以查看、转换、编辑和编目所有主要电子书格式的电子书。它还可以与电子书阅读器设备通讯。可以联网为你的书获取元数据。它可以下载报纸并将其转换为电子书以方便阅读。