Alternatives

Products that do what xOS – a 32-bit OS for the PC does

1. 1H3
   Homemade 32-bit CPU and OS (2015) [video]▲253

   2016 · youtube.com

2. 2MO
   Minoca OS – A new lightweight kernel, completely from scratch▲168

   2016 · minocacorp.com

3. 3GT
   GuiLite – Tiny UI framework, runs on MCU without OS▲355

   2019 · github.com

4. 4KA
   Kaiwa, a Modern Open-Source XMPP Web Client▲339

   2015 · getkaiwa.com

5. 5AL
   A “living” Linux process with no memory▲312

   2020 · github.com

6. 6AS
   A simple Unix-like operating system that runs Doom▲233

   2019 · github.com

7. 7MA
   Monolinux – A tiny embedded Linux distro▲69

   2019 · github.com

8. 8XA
   Xmake, a modern C/C++ build utility▲186

   2019 · github.com

9. 9AL
   A Lisp-based in-browser toy operating system▲156

   2012 · github.com

10. 10AA
    An Aesthetically Pleasing Arch Linux Distro▲76

    2020 · archcraft-os.github.io

11. 11XV
    Xs-vm – A small virtual machine written in Python▲34

    2015 · gedrap.github.io

12. 12KA
    Kitty – A modern, hackable, featureful, OpenGL based terminal emulator▲192

    2017 · github.com

13. 13DA
    DomTerm – a web-based rich terminal emulator and console▲78

    2018 · domterm.org

14. 14MA
    Marathono – A GUI tool for managing long-running processes in macOS▲165

    2016 · marathono.com

15. 15EA
    Ecosim – A cellular ecosystem simulator toy for Linux written in C▲150

    2020 · github.com

16. 16LE
    LoWe – Extending the functionality of Ubuntu running on Windows 10▲34

    2016 · github.com

17. 17TP
    Turing Pi 2 – a compact ARM cluster with 32 GB RAM▲109

    2020 · turingpi.com

18. 18AM
    A miniature Linux distro for non-rooted Android devices▲94

    2013 · kevinboone.net

19. 19NA
    Nønos – a zero-state OS that runs in RAM▲9

    Dec 2025 · docs.nonos.systems

20. 20TI
    Tux.io – a (now working) Linux desktop in your browser▲64

    2017 · tux.io

21. 21LB
    Linux-based OS with HTML, CSS, JS, and JSON environment▲8

    May 2026 · github.com

22. 22LA
    liblorgnette – a dlsym for alien processes on OS X▲41

    2014 · github.com

23. 23AS
    A straightforward RISC-V 32-bit emulator▲5

    2024 · github.com

24. 24FA
    FSSB – A filesystem sandbox for Linux▲43

    2016 · github.com

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