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AI · alternatives · 2026

24 alternatives to Programming Web Operating System 0xWebOS

0xWebOS openOS

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1
    Sacred OS▲155

    Retro OS in your browser

    2024 · sacred.neocities.org · its alternatives →

  2. 2

    exaequOS, your browser is your computer

    2023 · exaequos.com · its alternatives →

  3. 3
    WebOS▲10

    A full operating system in your browser

    2025 · webos.ct.ws · its alternatives →

  4. 4

    An operating system written in JavaScript. Contribute to haileys/jsos development by creating an account on GitHub.

    2012 · github.com · its alternatives →

  5. 5
    XOS▲96

    Grow your business better and faster

    2022 · erxes.io · its alternatives →

  6. 6

    Run KolibriOS, Linux or Windows 98 in your browser

    2013 · copy.sh · its alternatives →

  7. 7

    Comprehensive web-based operating system

    2025 · webospython.netlify.app · its alternatives →

  8. 8

    https://lisagui.com/info.html This is a web OS I wrote in vanilla JS that looks like the Apple Lisa Office System (1983-85), with other contemporaneous influences and additional improvements and features. It's currently in alpha and isn't remotely bug free. I had been holding off on posting this here until it was somewhat presentable and useful. Please note; the Lisa conforms more literally to the desktop metaphor than most modern GUIs - some of the important differences are mentioned in the readme. This is a complete recreation of the UI in JS; it all renders to a single…

    2025 · alpha.lisagui.com · its alternatives →

  9. 9

    Hey HN! We're Nithin and Nikhil, twin brothers building BrowserOS (YC S24). We're an open-source, privacy-first alternative to the AI browsers from big labs. The big differentiator: on BrowserOS you can use local LLMs or BYOK and run the agent entirely on the client side, so your company/sensitive data stays on your machine! Today we're launching filesystem access... just like Claude Cowork, our browser agent can read files, write files, run shell commands! But honestly, we didn't plan for this. It turns out the privacy decision we made 9 months ago accidentally positioned us for this…

    Jan 2026 · github.com · its alternatives →

  10. 10XA

    x86CSS is a working CSS-only x86 CPU/emulator/computer. No JavaScript required!

    Feb 2026 · lyra.horse · its alternatives →

  11. 11

    Web Components to turn your web app into a fake operating system - victorqribeiro/fos

    2019 · github.com · its alternatives →

  12. 12

    Run OS on your browser!

    Nov 2025 · web--os.vercel.app · its alternatives →

  13. 13

    Not really an oprating system, Just a pile of javascript pretending to be a Desktop Environment - Lerc/notanos

    2013 · github.com · its alternatives →

  14. 14

    An immutable, framework-free single-file Web OS prototype

    Jun 2026 · go-web-os.web.app · its alternatives →

  15. 15

    Seamless web design platform for professionals, code-free

    2015 · webydo.com · its alternatives →

  16. 16KA
  17. 17

    A fully interactive, Mac-like experience directly in browser

    Nov 2025 · hargunpreet.vercel.app · its alternatives →

  18. 18
    KnightOS▲136

    An open-source OS for calculators

    2016 · its alternatives →

  19. 19

    MathWebOS is a experimentalmathematics-focused web operating

    Jun 2026 · github.com · its alternatives →

  20. 20
  21. 21

    Hi HN, I’m Dvir, a young developer. Last year, I got rejected after a job interview because I lacked some CPU knowledge. After that, I decided to deepen my understanding in the low level world and learn how things work under the hood. I decided to try and create an OS in C and ASM as a way to broaden my knowledge in this area. This took me on the most interesting ride, where I’ve learned about OS theory and low level programming on a whole new level. I’ve spent hours upon hours, blood and tears, reading different OS theory blogs, learning low level concepts, debugging, testing and working on…

    Oct 2025 · github.com · its alternatives →

  22. 22
    Nodes▲9

    Reimagined web OS with composable apps

    2019 · nodes.ws · its alternatives →

  23. 23

    Hello HN! I want to show you MyNixOS.com - a website I've been working on this year to make it easy to create and share Nix and NixOS configurations. Nix is a powerful tool to deploy software in a reproducible way, and with NixOS you can control your whole operating system through a declarative configuration. Starting out with Nix was exciting, but it definitely had a challenging learning curve. This made me start building a website focused on making it easier to create and share Nix flakes, which are the core unit of software deployment in Nix. Using the website, you can create flakes…

    2022 · mynixos.com · its alternatives →

  24. 24

    Visually integrated development environment for the web

    2021 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →