CoverMe - Private texting, calling, vault
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Messenger Platform - Discovery, chat extensions, and richer experiences
Hermes - Pandora Client for OS X
Facebook Messenger Kids - Safer and More Fun Video Calls and Messaging
pianobar - “pianobar” is a free/open-source, console-based replacement for ...