epopas
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Komga is a free and open source comics/mangas server.
A self-hosted push notification service.
Calibre-Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.
Jellyfin is the Free Software Media System that puts you in control of managing and streaming your media. There are no strings attached, no premium licenses or features, and no hidden agendas.