macOS is described as 'Unix-based operating system for Macs, excels with an intuitive UI, robust built-in apps like Safari, and strong security via FileVault, Gatekeeper, and SIP' and is a leading operating system in the os & utilities category. There are more than 100 alternatives to macOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best macOS alternative is Ubuntu, which is both free and Open Source. Other great apps like macOS are Linux Mint, elementary OS, Debian and Fedora.