Audiobookshelf is a self-hosted audiobook server for managing and playing your audiobooks.
Calibre-Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.
Overseerr is a free and open source software application for managing requests for your media library. It integrates with your existing services such as Sonarr, Radarr and Plex!
Plex media server allows you to aggregate all your personal media and access it anywhere you go. Enjoy your own content on all your devices with Plex.
Nextcloud is an open source, self-hosted file share and communication platform. Access and sync your files, contacts, calendars and communicate and collaborate across your devices.