Dev tools · alternatives · 2026

24 alternatives to MeowOS:Major Update

A Web “OS”

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

1
MacOS High Sierra▲455
Apple's newest MacOS update
2017 · apple.com · its alternatives →
2AP
A portfolio website simulating macOS's GUI using React▲683
2021 · portfolio.zxh.io · its alternatives →
3
MeowOS▲6
Kyrkat89/meowos: umm...
Oct 2025 · github.com · its alternatives →
4
The operating system I built as my high school project (2016)▲220
A pretty simple Operating System for my High School Project - aswinmohanme/ultronOS
2019 · github.com · its alternatives →
5
Hargun's MacOS▲132
A fully interactive, Mac-like experience directly in browser
Nov 2025 · hargunpreet.vercel.app · its alternatives →
6
macOS Big Sur▲283
New macOS with enhancements to Messages, Maps, & privacy
2020 · apple.com · its alternatives →
7
Web components to create OS-like web apps▲36
Web Components to turn your web app into a fake operating system - victorqribeiro/fos
2019 · github.com · its alternatives →
8
Sacred OS▲155
Retro OS in your browser
2024 · sacred.neocities.org · its alternatives →
9
ZenHub for Firefox▲99
Turn GitHub into a project management suite! Plus, socks
2015 · app.zenhub.com · its alternatives →
10
MacGap▲166
Build native OS X apps with web technologies
2014 · macgapproject.github.io · its alternatives →
11
MyNixOS – Create and share Nix and NixOS configurations▲200
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 →
12
Omniref▲144
Stackoverflow for Github
2014 · its alternatives →
13
Diffd▲93
Compare website versions before you deploy.
2015 · diffd.com · its alternatives →
14
WebOS▲10
A full operating system in your browser
2025 · webos.ct.ws · its alternatives →
15
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 →
16
Proxy.app▲80
Web Interception Proxy For Mac OS X
2015 · its alternatives →
17
Update▲2
update V Browser
Aug 2026 · apps.microsoft.com · its alternatives →
18
macOS Web▲17
A re-built version of macOS Big Sur in your browser
2021 · macos.vercel.app · its alternatives →
19
Fuchsia▲30
Google's mysterious new open source Operating System
2016 · github.com · its alternatives →
20
Guify▲9
Build OS-style websites (macOS, Windows, Linux) in 2 minutes
Mar 2026 · guify.site · its alternatives →
21
An easier way to deploy web apps in node, ruby, python, and go▲27
Unubo makes it easy for you to track progress by bringing metrics from your favourite tools into one place.
2019 · unubo.com · its alternatives →
22
Apply.Build▲16
Secure app deployments without the DevOps headache
2025 · apply.build · its alternatives →
23
Remix OS▲11
The next evolution of Android PC
2016 · jide.com · its alternatives →
24
Build MacOS apps with Golang▲12
A package to build progressive web apps with Go programming language and WebAssembly. - maxence-charriere/go-app
2017 · github.com · 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 →