browser-os

Windows XP in the browser, with a File System, programs, XP-style File Picker and Saver dialogs, 3rd-party program, etc. 🦄 🚀 💽

A complete desktop environment built from scratch with JS, HTML5, and CSS3. Bundles to single html file. Pls star 🥺

A pseudo operating system for local and cloud compute (Opensourcing on 5000th star)

A fully-client side web desktop system for any device - zero backend, zero frameworks.

A dynamic InBrowser Windows Like WebApp Management system.

This is my portfolio. It runs in your browser.

MainOS is a web-based Operating System

A browser-based desktop operating system built with React, Vite, Express, and PostgreSQL. Users get a full desktop environment file manager, code editor, terminal, notepad, AI assistant, camera, video player, and more! All running in the browser, backed by a real database and per-user file storage.

Browser4 — an AI-native browser engine for autonomous agents, intelligent extraction, and large-scale web automation.

Sovereign OS is a self-sovereign, peer-to-peer operating environment that runs entirely in the browser — no servers, no accounts, and no surveillance. Every key, message, and file is stored and controlled by the user alone. It’s a decentralized identity and communication stack.

web-os operating-system react vite glassmorphism indexeddb posix ai browser javascript

Floppyy is a retro computer in your browser. Pixel windows, floppy disks, BIOS boot, Winamp, classic games and the early web.

A Macintosh System 6 desktop where AI work stays visible. Local-first, model-agnostic, no framework.

AcidOS is a fully functional desktop operating system simulator running entirely in the browser. No installation, no build tools, no Node.js required.

web based operating systm inspired by linuxmint with customization

Windows 10 Web Simulator - Experience Windows 10 in your browser with working apps, start menu, taskbar & more

⚡ A fully functional OS that runs in your browser. Real VFS, real shell, process scheduler, built with Next.js + TypeScript.

Windows 2000 Professional desktop recreated in the browser with HTML, CSS and native JavaScript modules — 38 programs, a shared virtual drive, editors, games and WebGPU/WebGL2/Canvas 2D rendering.

🌫️ MirageOS — 浏览器里的热点驱动幻觉操作系统 · A trending-driven hallucination OS in your browser

PoseiOS, a poseidon-themed web-based operating system built with HTML/CSS/JS.