Calibre

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

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

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.

Modern e-book reader and library manager that supports most major book formats, runs on all devices and offers great tools to boost productivity.

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

A fast, free and open source comics, manga and digital book server with OPDS support.

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

HTTP daemon for serving wikis from ZIM files.

Manage your personal book library with ease.

Manga/comic/light novel media server with clients for Windows, Linux, macOS and Android.