BornAgain GUI and Python wheels for MacOS are produced via Homebrew . To install BornAgain on MacOS, the official MLZ Homebrew Tap hosted at should be used. First, add the tap to the local Homebrew taps via $ brew tap mlz/homebrew https://jugit.fz-juelich.de/mlz/homebrew/ After that, brew will be able to work with formulae in 'mlz/homebrew' as if they were in 'homebrew-core' canonical repository. To install BornAgain v22.1 from the tap, use $ brew install mlz/homebrew/bornagain@22.1 To obtain detailed information about the BornAgain installation, use $ bornagain_info This will display the paths to BornAgain installation, the examples, the Python wheel and the build log. Run the BornAgain GUI (with Python support) via $ bornagain To use BornAgain as a Python package, install the wheel via $ python3 -m pip install /path/to/bornagain/python/wheel The path to the Python wheel is obtained via the above-mentioned command: $ bornagain_info To uninstall BornAgain, use $ brew uninstall bornagain@22.1 && brew cleanup