HagalazOS is an operating system that runs entirely in your browser. OpenDocumentation Index
Fetch the complete documentation index at: https://mintlify.com/linuxfandudeguy/HagalazOS/llms.txt
Use this file to discover all available pages before exploring further.
index.html and you get a bootloader that chainloads into either a full windowed GUI desktop or an interactive terminal emulator — no server, no Node.js, no build step required.
Introduction
Learn what HagalazOS is and how it is structured
Quickstart
Get HagalazOS running locally in under two minutes
GUI Mode
Explore the windowed desktop environment and its features
Terminal Mode
Use the built-in terminal emulator and its command set
Built-in Apps
Browser, Music, Calculator, Camera, Soundboard, Games, and Map
Extend HagalazOS
Register your own apps and drop .js plugins onto the desktop
How it works
Open the bootloader
Load
index.html in any modern browser. A keyboard-navigable menu lets you choose between GUI and Terminal mode.Boot into your chosen mode
Press Enter to chainload. The selected environment is fetched and written directly into the current document — no page navigation occurs.
Use the desktop or terminal
In GUI mode you get a draggable window manager with desktop icons and a taskbar. In Terminal mode you get a full command-line interface backed by a Vanta.js animated globe background.
HagalazOS runs entirely client-side. There is no backend, no database, and no authentication layer — everything lives in static HTML, CSS, and JavaScript files.