Komga

Komga is a free and open-source media server for comics and magazines.

Features:

Browse your library, series, and books through a responsive Web UI suitable for desktops, tablets, and phones.
Organize your library with collections and reading lists.
Edit metadata for series and books.
Automatically import embedded metadata.
Web reader with multiple reading modes.
Manage multiple users with access control, age restrictions, and tag restrictions per library.
Provides a REST API, enabling many community tools and scripts to interact with Komga.
Download book files, entire series, or reading lists.
Duplicate file detection.
Detect and remove duplicate pages.
Import books directly into series folders from outside the library.
Import ComicRack .cbl reading lists.