Hermes - Pandora Client for OS X
Seald - Keep your conversations secure, everywhere.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Keybase Chat - End-to-end encrypted chat built into Keybase
pianobar - “pianobar” is a free/open-source, console-based replacement for ...
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.