macOS is Apple’s desktop operating system for Mac computers. It runs Siri and many intelligence features on-device and sandboxes apps through Gatekeeper, without the advertising and forced-telemetry baggage of recent Windows releases.
macOS
apple.com/macos
Our take
Compared with Windows 11, macOS is the calmer choice: no ads or Recall-style screen-logging baked into the desktop, and more processing kept on the machine. It is still closed-source and phones home to Apple for some checks, so you are trading Microsoft’s telemetry for Apple’s, with better defaults but the same need to take a vendor at its word. Right for people who want a polished desktop without the Windows noise. If you want an OS you can fully audit and control, a Linux distribution is the next step.
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macOS alternatives
Qubes OS Qubes OS: A reasonably secure operating system
Tails Tails: Portable, encrypted and secure through the Tor network
Whonix A free, open-source desktop operating system that forces all traffic through Tor, run as two isolated virtual machines.
secureblue secureblue is a security-hardened immutable Linux OS built on Fedora Atomic Desktops. It ships as OCI bootable container images and applies kernel hardening, a hardened memory allocator from GrapheneOS, and a hardened Chromium browser called Trivalent.
Kicksecure Kicksecure is a security-hardened Debian-based Linux distribution that applies a broad set of kernel and userspace hardening settings out of the box, reducing the attack surface without requiring manual configuration. It also serves as the foundation for the Whonix anonymity OS.
Fedora Atomic Desktops Fedora Atomic Desktops (Silverblue, Kinoite, and others) are immutable Fedora variants where the base OS is read-only and updated atomically via rpm-ostree. Applications run as Flatpaks, and rollback to a prior OS image is built in.