GNU Guix, the package manager written for the GNU system, now has a neat Emacs user interface! It offers a visual, user-friendly alternative to the guix package command-line interface.
For those familiar with package.el, the main user interface is quite similar: commands like guix-newest-available-packages, guix-search-by-regexp, and guix-installed-packages present a browsable list of packages. Individual packages can be selected, which displays additional details and presents a button to install or delete them. It is also possible to mark a set of packages for installation, upgrade, or deletion, and execute the set of operations in a single transaction.