Lidarr - Lidarr is a music collection manager for downloading and organizing music libraries.
Keybase Chat - End-to-end encrypted chat built into Keybase
Headphones - Automatic music downloader for SABnzbd. Headphones is an automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole.
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Lacey - Free Music & Video Downloader
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.