@nedelne_rano it's an end-to-end encrypted messaging app, but with team chatroom features that make it more similar Slack. And it has a cloud storage filesystem, including for each team (like Dropbox), and git repo hosting. Except unlike Slack, Dropbox, or Github, all of your Keybase data is encrypted using keys Keybase doesn't have access to. Not enough services are actually zero knowledge, and Keybase is doing cool shit in this area