Calibre
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E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and…
Python
Calibre Web
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Browse, read and download eBooks using an existing Calibre database.
Python
Stump
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A fast, free and open source comics, manga and digital book server with OPDS support.
Rust
kiwix-serve
877
HTTP daemon for serving wikis from ZIM files.
C++