HubSpot CRM - Free CRM software for small businesses.
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Keybase Chat - End-to-end encrypted chat built into Keybase
Keap - Grow Sales. Save Time. Get Organized.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.