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Best Privacy-Focused Operating Systems in 2026

These operating systems place privacy at the heart of their design. This list helps readers comparing software for phones, computers, virtual setups, or self-hosted use.

  1. 1

    postmarketOS

    Free plan AndroidLinux

    Nura offers a customizable Linux system across a range of devices, but support and readiness depend on the device and category.

    7.0 Free plan Visit site
  2. 2

    Qubes OS

    Free plan Linux

    Qubes OS focuses on compartmentalizing computer activities with isolated qubes and multiple operating-system options.

    6.7 Free plan Visit site
  3. 3

    Ubuntu Touch

    Free plan AndroidSelf-hosted

    Ubuntu Touch offers a free alternative with several app compatibility routes and desktop-style use. Check device support and back up data before replacing Android.

    6.7 Free plan Visit site
  4. 4

    iodéOS

    Free plan Android
    6.4 Free plan · paid from €3.99/mo Visit site
  5. 5

    /e/OS

    Free plan AndroidWeb
    6.3 Free plan Visit site
  6. 6

    CalyxOS

    Free plan Android
    6.2 Free plan Visit site
  7. 7

    Kicksecure

    Free plan LinuxMacWindows
    6.2 Free plan Visit site
  8. 8

    Linux Kodachi

    Free plan Linux
    6.2 Free plan · paid from $99 Visit site
  9. 9

    GrapheneOS

    Free plan Android
    6.1 Free plan Visit site
  10. 10

    Whonix

    Free plan LinuxMacWindows
    6.1 Free plan Visit site
  11. 11

    Heads

    Free plan Linux
    6.0 Free plan Visit site
  12. 12

    Tails

    Free plan Linux
    5.9 Free plan Visit site
  13. 13

    LineageOS

    Free plan Android
    5.8 Free plan Visit site
  14. 14

    PureOS

    Free plan Linux
    5.7 Free plan Visit site
  15. 15

    secureblue

    Free plan Linux
    5.6 Free plan Visit site
  16. 16

    Septor

    Free plan Linux
    5.5 Free plan Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare supported platforms, available free plans, and any paid option before choosing. See if a free trial is offered, and consult the open-source licence when you need to inspect or modify code.

Questions

Do these operating systems have free plans?

A free plan is listed for the systems in this category. Check the individual pricing note for details and paid options.

Which platforms are covered?

The category covers Linux, Android, macOS, Windows, web, and self-hosted setups. Check a tool's platform details before choosing.

What does freemium mean here?

Here, freemium indicates a free tier alongside paid choices. iodéOS lists paid plans from €3.99 per month, while Linux Kodachi lists paid options from $99.

Can I read or change the source code?

Check the software's open-source licence. The licence sets the permissions and conditions for reading, changing, and using the code.

What should I compare before installing?

Compare platform support, free and paid plans, trial availability, and the software licence. Match those details to your device and intended setup.

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