In an earlier post, I mentioned the Nix package management system as a candidate for ensuring reproducibility in computational science. What distinguishes Nix from the better known package managers (Debian, RPM, ...) is that it permits the installation of different versions of the same package in parallel, with a dependency tracking system that refers to a precise version of everything, including the versions of the development tools (compilers, ...) that were used to build the libraries and ...
