The first but not the last, there is also Guix the package manager and GuixSD the system distribution, which is written in Scheme, as well as all the package definitions. For lispers it is heaven.
I am assuredly a "lisper" and I really don't want to use anything based on Nix. I really dislike how statically linked executables are not portable on Nix. I'm less upset w.r.t. dynamic library management.
