While not strictly a media server like Jellyfin, Emby, or even Plex, Kodi can absolutely be used as one, thanks to its DLNA (UPnP) streaming capabilities. It won't transcode video to be played at ...

Jellyfin is a self-hosted media server, just like popular alternatives Plex and Emby. In fact, Jellyfin is an open-source fork of Emby, which moved development behind closed doors in 2017.