Fedora Workstation
Fedora Workstation: User friendly and easy to setup
Private alternatives to Windows, macOS, vetted against our public criteria.
Grouped by threat level
Fedora Workstation: User friendly and easy to setup
Apple's desktop OS. A real privacy step up from Windows, but closed and US-based.
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 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 (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.
NixOS is a Linux distribution built entirely on the Nix package manager, where the whole system (kernel, packages, services, and configuration) is declared in a single set of files. Upgrades are atomic and fully reproducible rollbacks are a built-in feature.
Arch Linux is a minimal, rolling-release Linux distribution built around a do-it-yourself philosophy. You assemble the system yourself from a bare base, choosing every component, and keep it current with the pacman package manager.
openSUSE Tumbleweed is a rolling-release Linux distribution that defaults to Btrfs with Snapper snapshots, letting you boot into a previous system state if an update breaks something. Available with KDE, GNOME, or Xfce.
Tails: Portable, encrypted and secure through the Tor network
A free, open-source desktop operating system that forces all traffic through Tor, run as two isolated virtual machines.
No matches for those filters.
| Tool | Base | Based in | Cost |
|---|---|---|---|
| | Xen | Poland | Free |
| | Debian | · | Free |
| | Debian | · | Free |
| | Fedora | · | Free |
| | Debian | · | Free |
| | Fedora | · | Free |
| | Independent | Netherlands | Free |
| | Fedora | · | Free |
| | Independent | · | Free |
| | Independent | Germany | Free |
| | Debian | United Kingdom | Free |
| Darwin | United States | · |
Mainstream desktop systems treat you as a data source by default, with telemetry you can reduce but never fully switch off. The operating systems here put privacy first instead, ranging from a friendly daily Linux to an amnesiac system that forgets everything at shutdown. There is no single best answer, because the right system depends on what you are protecting against. Pick the one that matches how much you need to hide, and run it as your real machine rather than a project.
A mainstream desktop system collects data because that is how it is built, not because of a setting you missed. The telemetry hooks live inside the operating system itself, below the apps and below the privacy panel, so the switches you are offered govern the edges while the core keeps reporting. Each update can quietly reset those toggles or add new collection, because the company writing the OS is the same one that benefits from the data. You are negotiating with the landlord. The only way out is an operating system whose makers do not want your data in the first place, which is what every open-source pick on this page is designed around.
We measure each system against our public listing criteria with privacy as the floor, not a feature. That means no telemetry and an open-source core that you or independent researchers can audit, with control over when updates install rather than a vendor pushing them on its own schedule. We also weigh the practical layer, because a private system you abandon is worth nothing: it needs a long support window and solid hardware support, with a sane upgrade path. For the high-security options we look harder at how they isolate tasks or route traffic, since those claims carry the most weight. We only list a system we would run ourselves.
These systems range widely, and the difference is the first thing to understand. Everyday distributions like Fedora Workstation and Ubuntu give you a private, telemetry-free daily driver with familiar apps and a gentle learning curve. Amnesiac systems like Tails run from a USB stick and forget everything when you power off, built for high-risk work on a machine you do not control. Compartmentalised systems isolate each task in its own sandbox, so a compromise in one place cannot reach the rest. Choose by your real threat model, not by what sounds most hardcore, because the heaviest system is the one you are most likely to quit.
Start with the non-negotiables: no telemetry and an open-source core that can be audited, plus control over update timing so a vendor cannot change your system out from under you. Then weigh what makes it livable: a long support window and good hardware support so daily use is smooth, backed by an active community to lean on when something breaks. For the high-security options, look closely at how they sandbox tasks or route traffic, since that isolation is the whole point of choosing one. A system that is private but painful gets abandoned, and an abandoned system protects no one.
Try any of these from a live USB first, with zero changes to your machine, which is the safest way to judge whether your hardware is supported. Back up your files, then dual-boot the new system alongside your current one while you find replacements for the apps you rely on. Move your daily work over gradually, and keep the old system only for the one or two programs that genuinely need it. If you are leaving Microsoft’s OS specifically, our Windows alternatives page frames the move, and the broader escape Microsoft playbook covers the rest of the ecosystem.