https://universal-blue.org/
https://github.com/ublue-os/

https://github.com/wayblueorg/wayblue

https://projectbluefin.io/

https://blue-build.org/
https://universal-blue.discourse.group/docs?category=6

bluefin-dx
https://universal-blue.discourse.group/docs?topic=39
https://universal-blue.discourse.group/t/introduction-to-bluefin/41/4
https://www.ypsidanger.com/announcing-project-bluefin/

2023
BrodieRobertson - uBlue Linux: Immutable Fedora With Batteries Included of 13:37
    https://www.youtube.com/watch?v=HsKKh3WS1q0