The best Linux Distro alternative to macOS is Ubuntu, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to macOS and loads of them are Linux Distros so hopefully you can find a suitable replacement. Other interesting Linux Distro alternatives to macOS are Linux Mint, elementary OS, Debian and Fedora.
macOS alternatives are mainly Linux Distros, but if you're looking for
Operating Systems or Desktop Environments you can filter on that. Other popular filters include
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EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to macOS.
It has a similar-looking toolbar, and also uses command-line interfaces quite a bit.