for every use case, you can use NixOS haha

- in the server

- desktop ui

- NAS

- ci

- dotfiles

- ultra compact docker image

- microvms

- development environments

- SmartTV? NixOS

- build your docs? NixOS

- wanna control a fleet? NixOS

- build ISOs?

- wanna control brew declaratively? NixOS

- secure environment? NixOS