FusionAuth - FusionAuth is a CIAM platform that is 100% free for unlimited users.
Keybase Chat - End-to-end encrypted chat built into Keybase
Mountain - Living seamlessly in the menu bar Mountain allows you to manage volumes with ease.
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Cur - A smart band-aid for pain relief
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.