Asdf provides a very similar workflow, but for many other packages too. I'm really drawn to Nix for it's power and purity, but until it has a first class way t

Asdf provides a very similar workflow, but for many other packages too. I'm really drawn to Nix for it's power and purity, but until it has a first class way to install specific older software versions the 'worse is better' asdf way wins.