FREEDOM251

Freedom251 › postmarketOS

Instead of postmarketOS

postmarketOS alternatives

postmarketOS, now named Nura, gives users a free, open-source system for extending consumer electronics. It is built on Alpine Linux with Linux mobile components, offers GNOME, KDE, Phosh, and Sxmo interfaces, and uses close-to-mainline kernels. Users can choose software, adjust the system, and update at their own pace without surveillance, upselling, or walled gardens. Images cover phones, tablets, laptops, Chromebooks, single-board computers, and x86_64 EFI systems, with support varying by device and category.

  1. 1

    Kali Linux

    Free plan Open source AndroidLinuxMac+2

    Experienced penetration testers and security specialists — Kali focuses on penetration testing and security auditing, while postmarketOS focuses on extending consumer devices.

    Free plan Visit site
  2. 2

    Nix

    by Nix
    Free plan LinuxMacSelf-hosted+1

    Reproducible package management across computers — Nix provides expressions, derivations, flakes, dependency resolution, lockfiles, workspaces, and offline installation rather than a mobile operating system.

    Free plan Visit site
  3. 3

    Raspberry Pi Imager

    Free plan LinuxMacWindows

    Writing operating-system images to Raspberry Pi storage — Raspberry Pi Imager prepares storage media for Raspberry Pi systems, while postmarketOS is an installable operating system.

    Free plan Visit site
  4. 4

    AlmaLinux OS

    Free plan Open source APILinuxSelf-hosted+1

    Enterprise Linux without a commercial license — AlmaLinux is binary compatible with RHEL and targets enterprise deployments, unlike postmarketOS's consumer-device focus.

    Free plan Visit site
  5. 5

    FreeRTOS

    Free plan LinuxWindows

    Real-time microcontroller and small-processor projects — FreeRTOS targets microcontrollers with real-time scheduling, networking, AWS IoT libraries, and broad processor support rather than phones or laptops.

    Free plan Visit site
  6. 6

    MX Linux

    Free plan Linux

    Efficient, stable Debian-based desktops — MX Linux delivers Debian Stable desktop editions, graphical administration tools, live remastering, and older-hardware support instead of mobile interfaces.

    Free plan Visit site
  7. 7

    OPNsense

    by OPNsense
    Free plan Open source AndroidAPIiPhone+2

    Open-source firewall and routing deployments — OPNsense is a FreeBSD-based firewall and routing platform with stateful IPv4/IPv6 filtering and integrated VPN technologies.

    Free plan Visit site
  8. 8

    Qubes OS

    Free plan Linux
    6.7 Free plan Visit site
  9. 9

    Ubuntu Touch

    Free plan AndroidSelf-hosted
    6.7 Free plan Visit site
  10. 10

    iodéOS

    Free plan Android
    6.4 Free plan · paid from €3.99/mo Visit site
  11. 11

    /e/OS

    Free plan AndroidWeb
    6.3 Free plan Visit site
  12. 12

    CalyxOS

    Free plan Android
    6.2 Free plan Visit site
  13. 13

    Kicksecure

    Free plan LinuxMacWindows
    6.2 Free plan Visit site
  14. 14

    Linux Kodachi

    Free plan Linux
    6.2 Free plan · paid from $99 Visit site
  15. 15

    GrapheneOS

    Free plan Android
    6.1 Free plan Visit site
  16. 16

    Whonix

    Free plan LinuxMacWindows
    6.1 Free plan Visit site
  17. 17

    Heads

    Free plan Linux
    6.0 Free plan Visit site
  18. 18

    Tails

    Free plan Linux
    5.9 Free plan Visit site
  19. 19

    LineageOS

    Free plan Android
    5.8 Free plan Visit site
  20. 20

    PureOS

    Free plan Linux
    5.7 Free plan Visit site
  21. 21

    secureblue

    Free plan Linux
    5.6 Free plan Visit site
  22. 22

    Septor

    Free plan Linux
    5.5 Free plan Visit site

Switching requires accepting trade-offs. Community and testing devices may lack features, functionality, or maintenance, and the project says usability and stability issues remain. There is no support contract, while application installation centers on Alpine apk packages and Flatpak. Alternatives below serve different purposes: security testing, reproducible package management, Raspberry Pi imaging, enterprise Linux, microcontrollers, desktop computing, or firewall routing. Compare the target hardware, operating environment, software model, and support expectations before choosing a replacement.

← Back to postmarketOS The whole privacy-focused operating systems list