Fuzzy search through nixpkgs.
fzf-nix can be added to your configuration and will generate the package list from the nixpkgs input.
Try it out with nix run github:mrene/fzf-nix
{
inputs.fzf-nix = {
url = "github:mrene/fzf-nix";
fzf-nix.inputs.nixpkgs.follows = "nixpkgs";
};
}