Sonarr is a smart PVR for newsgroup and BitTorrent users.

TED is a torrent client for downloading tv shows from the web.

FlexGet is a multipurpose automation tool for all of your media. Support for torrents, nzbs, podcasts, comics, TV, movies, RSS, HTML, CSV, and more.

Sick Beard is a open source personal video recorder for newsgroup users with limited torrent support.

DuckieTV allows you to keep track of your progress in all the series you're watching with just a click on the icon in your browser bar.

SickRage is an automatic video library manager for TV shows.