OopisOS

A fully-featured OS, right in your browser.

OopisOS is a complete, web-based operating system with a powerful command line, a virtual file system, GUI apps, and even AI integration. All powered by JavaScript.

Try it Now View on GitHub

guest@oopis-os:~$ ls -l /apps

drwxr-xr-x  2 root root 4096 Jul 22 10:30 adventure
drwxr-xr-x  2 root root 4096 Jul 22 10:30 basic
drwxr-xr-x  2 root root 4096 Jul 22 10:30 chidi
drwxr-xr-x  2 root root 4096 Jul 22 10:30 code
drwxr-xr-x  2 root root 4096 Jul 22 10:30 editor
drwxr-xr-x  2 root root 4096 Jul 22 10:30 explorer
drwxr-xr-x  2 root root 4096 Jul 22 10:30 gemini_chat
drwxr-xr-x  2 root root 4096 Jul 22 10:30 log
drwxr-xr-x  2 root root 4096 Jul 22 10:30 paint

guest@oopis-os:~$ gemini "what is OopisOS?"

OopisOS is a web-based operating system that simulates a classic Unix-like environment...

guest@oopis-os:~$ _

Powerful Features, Zero Installation

Explore a rich set of features that bridge the gap between a terminal and a modern desktop.

Rich Command Line

A comprehensive set of UNIX-like commands, from `ls` and `grep` to `awk` and `xargs`. Includes piping, redirection, and background processes.

Virtual File System

A complete in-browser file system with users, permissions, and a familiar directory structure. Your session persists across reloads.

GUI Applications

More than just a terminal. Launch graphical apps like a file explorer, code editor, paint program, and even a text-based adventure game engine.

Scripting & Automation

Write and execute your own scripts within the OS. Automate tasks, create complex command pipelines, and extend the system's functionality.

Gemini AI Integration

Chat with Google's Gemini AI directly from the command line or through a dedicated chat app. Ask questions, generate code, and more.

Cross-Platform

Run OopisOS in any modern web browser or download the Electron-based desktop version for a native application experience.

A Suite of Built-in Apps

From productivity to creativity, launch apps with a single command.

File Explorer

Visually navigate the file system, manage files and directories, and view properties in a classic GUI.

Code & Text Editor

A simple yet effective code and text editor for writing scripts, taking notes, or editing configuration files.

Paint Program

Unleash your creativity with a pixel-based paint program. Create and save your masterpieces directly in the OS.

Built With Modern Web Tech

OopisOS leverages the power and flexibility of JavaScript to create a robust and extensible operating system from scratch.

Vanilla JavaScript

CSS

Plain CSS

HTML

HTML5

Electron