Hermes - Pandora Client for OS X
Keybase Chat - End-to-end encrypted chat built into Keybase
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
Seald - Keep your conversations secure, everywhere.
pianobar - “pianobar” is a free/open-source, console-based replacement for ...
Crypho - End-to-end-encrypted messaging and file sharing