Suggest an alternative to

koreader-sync-server

self hostable synchronization service for koreader devices

Why do you think that https://github.com/gryf/ebook-converter is a good alternative to koreader-sync-server

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with koreader-sync-server. Optional.

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