Dev tools · alternatives · 2026

24 alternatives to physicswebos

an experimental, physics-focused web operating environment

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

1. 1A2
   A 2D Physics Simulator in JavaScript▲126

   2017 · htmlpreview.github.io · its alternatives →

2. 2
   Simple 2D car physics with JavaScript▲308

   2020 · pakastin.github.io · its alternatives →

3. 3
   mathwebos▲3

   MathWebOS is a experimentalmathematics-focused web operating

   Jun 2026 · github.com · its alternatives →

4. 4LH
   Learn how WebRTC actually works. A book on the protocols, not just APIs▲667

   WebRTC For The Curious # Introduction # WebRTC For The Curious is an open-source book created by WebRTC implementers to share their hard-earned knowledge with the world. It’s written for those who are always looking for more and don’t settle for abstraction. Key features # Focus on protocols and API

   2020 · webrtcforthecurious.com · its alternatives →

5. 5
   Webstudio CMS▲436

   The best CMS is the one you already use

   2024 · webstudio.is · its alternatives →

6. 6
   WebRTC Nuts and Bolts, A holistic way of understanding how WebRTC runs▲124

   Hi HN! I’m so excited to show my first open-source project and first post here. I initially started this project to learn Go language, it is an experimental project. The main goal is to track the adventure of a WebRTC stream from start to finish, by debugging the project or tracking the output at console. By trying out this project, you will deep dive into the steps which are taken while starting up a WebRTC session, and more. It consists of a web UI (TypeScript) and a server back-end (Golang) projects. They can run on Docker containers, in development mode or production mode, you can find…

   2022 · github.com · its alternatives →

7. 7
   Programming Web Operating System 0xWebOS▲8

   0xWebOS openOS

   2025 · programwebos.netlify.app · its alternatives →

8. 8
   Webflow CMS▲642

   Build professional dynamic websites without any code

   2015 · its alternatives →

9. 9
   gravity.js - Beta▲112

   Gravity WebGL experiment in the Solar System

   2016 · github.com · its alternatives →

10. 10
    Pts.js – A library for visualization and creative coding▲611

    Pts is a javascript library for visualization and creative-coding.

    2018 · ptsjs.org · its alternatives →

11. 11
    I wrote a "web OS" based on the Apple Lisa's UI, with 1-bit graphics▲516

    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 →

12. 12
    Unix-like personal webpage▲134

    Denis Khoshaba @ TheDen

    2017 · theden.sh · its alternatives →

13. 13
    Neko – Self hosted virtual browser that runs in Docker and uses WebRTC▲227

    A self hosted virtual browser that runs in docker and uses WebRTC. - m1k1o/neko

    2021 · github.com · its alternatives →

14. 14IR
    I rebuilt the Flash app “Scale of the Universe” in WebGL▲276

    2021 · htwins.net · its alternatives →

15. 15SP
    Seashells – Pipe output from CLI apps to the web in real time▲356

    2017 · seashells.io · its alternatives →

16. 16
    Building an HTML5 Desktop environment with a minimal server component▲68

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

    2013 · github.com · its alternatives →

17. 17
    NotebookJS▲109

    Scientific computation for JavaScript

    2016 · datazar.com · its alternatives →

18. 18
    WhitestormJS▲89

    🚀 3D Framework for developing web apps with physics.

    2016 · its alternatives →

19. 19UA
    Urubu – A micro CMS for static websites▲80

    2016 · urubu.jandecaluwe.com · its alternatives →

20. 20
    BrowserOS – "Claude Cowork" in the browser▲88

    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 →

21. 21
    Chrome Experiments▲137

    Showcase of web experiments written by creative coders

    2015 · experiments.withgoogle.com · its alternatives →

22. 22
    Hargun's MacOS▲132

    A fully interactive, Mac-like experience directly in browser

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

23. 23IB
    I built a gravity simulator in pure CSS▲64

    2022 · multiplanetary.website · its alternatives →

24. 24
    An experimental Web Browser▲59

    An experimental minimalist WebBrowser. Contribute to hexapode/zenbrowser development by creating an account on GitHub.

    2015 · github.com · its alternatives →

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 →