An extension of the existing KoboTouch driver provided with Calibre. This plugin allows modifying ePub files to enable extra Kobo features. I am providing code in the repository to you under an open source license. Because this is my personal repository, the license you receive to my code is from me and not my employer.
Why do you think that https://github.com/subdavis/kobo-book-downloader is a good alternative to calibre-kobo-driver