https://github.com/maingron/mainos

MainOS is a web-based Operating System
https://github.com/maingron/mainos

browser-os chromeos extensive firefoxos indie indie-os javascript javascript-os maingron operating-system productivity tool tools web web-operating-system web-os

Last synced: 4 months ago
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MainOS is a web-based Operating System

• Host: GitHub
• URL: https://github.com/maingron/mainos
• Owner: Maingron
• Created: 2019-10-14T08:11:46.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2025-08-16T15:18:14.000Z (5 months ago)
• Last Synced: 2025-08-16T15:18:46.701Z (5 months ago)
• Topics: browser-os, chromeos, extensive, firefoxos, indie, indie-os, javascript, javascript-os, maingron, operating-system, productivity, tool, tools, web, web-operating-system, web-os
• Language: JavaScript
• Homepage: https://maingron.itch.io/mainos
• Size: 3.89 MB
• Stars: 10
• Watchers: 1
• Forks: 3
• Open Issues: 55
• Metadata Files:
  • Readme: README.md

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README

          
# MainOS

[![Maintainability](https://api.codeclimate.com/v1/badges/9d58a482a614229a0f83/maintainability)](https://codeclimate.com/github/Maingron/MainOS/maintainability)

![CodeQL](https://github.com/Maingron/MainOS/actions/workflows/codeql-analysis.yml/badge.svg)

![OSSAR](https://github.com/Maingron/MainOS/actions/workflows/ossar.yml/badge.svg)

## About MainOS

MainOS (short for **Maingron OS**) is a browser based Operating System, originally trying to look like Windows XP. It started as a fun little project. Nowadays it's more and more taking it's own, serious path and tries to be a productivity tool.

I started MainOS at work a few years ago, because my boss told me to learn CSS. Since that day I work on MainOS.

If you want to contribute, that would be nice. It's hard to keep up as a single person.

**Website / Project site: [maingron.com/about_mainos](https://maingron.com/about_mainos)**

## Screenshots

Latest screenshot on top

MainOS Version 180

![image](https://maingron.com/img/mainos/version_00180.png)

MainOS Version 175

![image](https://maingron.com/img/mainos/version_00175.png)

MainOS Version 160

![image](https://maingron.com/img/mainos/version_00160.png)

MainOS Version 90

![image](https://maingron.com/img/mainos/version_00090.png)

MainOS Version 0BH

![image](https://maingron.com/img/mainos/version_0BH.png)

MainOS Version 0AT

![image](https://maingron.com/img/mainos/version_0AT.png)