https://github.com/ryantm/agenix
    https://github.com/FiloSottile/age

https://github.com/aciceri/agenix-shell

2025
https://talks.nixcon.org/nixcon-2025/talk/BABGSX/
    https://aciceri.github.io/agenix-shell-talk/ 
    https://github.com/aciceri/agenix-shell-talk
    https://www.youtube.com/watch?v=pE3wha4jlos