Calibre

Audiobook and podcast server. It streams all audio formats, keeps and syncs progress across devices. Comes with apps for Android and iOS.

Browse, read and download eBooks using an existing Calibre database.

Build and manage a comic book library. Download, rename, move and convert issues of the volume to your liking.

Social network for tracking your reading, talking about books, writing reviews, and discovering what to read next.

Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metadata support.

Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader.