Riff by Facebook - Make videos with friends
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Frames - Create & edit epic vertical video content from your phone
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Fundraising Kit - A free Notion page with everything you need to raise a round: 8 guides, 20+ templates, and 30+ tools.
Keybase Chat - End-to-end encrypted chat built into Keybase