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.

Bazarr is a companion application to Sonarr and Radarr. It manage and download subtitles based on your requirements. You defined your preferences by TV show or movies and Bazarr take care of everything for you.