Sonarr is a PVR for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort and rename them. It can also be configured to automatically upgrade the quality of files already downloaded when a better quality format becomes available.
Jellyfin is the Free Software Media System that puts you in control of managing and streaming your media. There are no strings attached, no premium licenses or features, and no hidden agendas.