nixos-unified is a flake-parts module to unify NixOS + nix-darwin + home-manager configuration in a single flake, while providing a consistent interface at DX and UX level.
For motivation, see https://nixos-unified.org/#why
https://nixos-unified.org/start.html
https://nixos-unified.org/examples.html
To discuss the project, post in our Zulip or in Github Discussions.