A comic book curation app:
https://github.com/rishighan/threetwo
Think of it as a Plex for the digital copies of comics. Point it to a folder full of comics, and it will infer metadata, and present your collection in a Plex-like manner.
ThreeTwo supports Comicinfo.xml, Metron's format. Generally there is no universally agreed-upon metadata format for comic books, comic book archives are essentially .zip or .rar files with images with a fragmented naming convention. ThreeTwo itself uses regexes to parse filenames and match that against ComicVine to extract metadata from there. This is currently the problem I am trying to attack.
Other than that, it integrates with DC++ via AirDC++, and also incorporates an OPDS server.