hc!OS is a web-based desktop environment built with HTML, CSS, and JavaScript. It mimics a real operating system, letting you open apps, manage windows, and switch themes—all in the browser.
Check it out live: hc!OS Website
⚠️ Early Release / In Development
hc!OS is still in active development. Some features may be missing or incomplete, and things may change in future updates.
- App Windows – Open multiple apps at the same time, each in its own window.
- Taskbar – Keeps track of open apps and highlights which ones are active.
- Light/Dark Mode – Switch themes dynamically.
- Window Management – Open, close, and focus windows with smooth transitions.
- Modular Apps – Easily add new apps to expand the OS.
Visit the website:
https://himc29.github.io/hcOS/
- Click apps in the taskbar to open them.
- Switch between light and dark mode with the buttons.
- Move, open, or close windows freely.
You don’t need to install anything—everything runs directly in your browser.
Want to make hc!OS better? Contributions are welcome!
- Add new apps by creating folders under
/apps. - Improve the UI or window/taskbar behavior.
- Submit pull requests with new features or improvements.
- Drag-and-drop windows
- Resizable windows
- File system simulation
- More built-in apps
MIT License – feel free to use and modify hc!OS.
- Icons from KDE Breeze icon theme
Licensed under CC-BY-SA / CC0
GitHub: https://github.com/KDE/breeze-icons