Keybase Chat - End-to-end encrypted chat built into Keybase
NOISESUPPLY - Pandora for SoundCloud
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Pandora Thumbprint Radio - A hyper-personalized station based on the songs you've liked
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Mimi.io - Clear music and sound customized by your hearing profile