Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Keybase Chat - End-to-end encrypted chat built into Keybase
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.