Keybase Chat - End-to-end encrypted chat built into Keybase
Whale - Video Q&A with influencers and experts 🐳
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Questionwave - The easiest way to take questions from your audience.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Fishoal - Fishoal is the next-generation Q&A platform that helps anyone who needs help to find validated answers by connecting people to certified experts that can help.