Why people self-host Jellyfin
Jellyfin is the strongest fully free choice for people who want a media library that behaves like a streaming service without tying playback, metadata, or remote access to a vendor account. It indexes movies, shows, music, and live TV, then serves them through web, mobile, and living-room clients.
The tradeoff is that hardware acceleration, remote access, and metadata cleanup still require operator attention. Plan storage layout first, test transcoding on the actual CPU or GPU, and keep library metadata backed up with the media files.
Deployment notes
Jellyfin is listed with support signals for linux, docker, windows, macos. Check the upstream documentation before exposing it to the internet, review authentication defaults, and keep backups outside the primary host.