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Experiment
local
2025

XtlOS

Browser-based OS with window manager, IPC, permissions, and 15+ apps -- playable DOOM, NES emulator, GPU-accelerated Deck.gl maps

About

A fully functional desktop OS experience in the browser with a window manager (snap zones, cascading), process manager with crash recovery, IPC between apps, a permissions model, virtual desktops, and taskbar with Alt+Tab switching. Hosts 15+ purpose-built apps: real estate analytics (Sales Explorer for 76K+ records, GPU-accelerated Map Viewer via Deck.gl), playable DOOM, NES emulator with save states, and system utilities including a terminal via xterm.js.

Key Features

Full OS shell: window manager with snap zones, cascading, minimize/maximize
Process manager with crash detection and recovery
IPC between applications with app manifest contracts
Permission system for app capabilities (canvas, audio, keyboard, storage, data access)
15+ built-in apps: Sales Explorer, Map Viewer, DOOM, NES emulator, terminal, calculator, and more
GPU-accelerated map visualization of 76K+ sales records via Deck.gl (scatter, heatmap, hexagon layers)
NES emulator with save states via jsnes
Start menu, taskbar, Alt+Tab app switcher, toast notifications, and notification center
Virtual desktops and desktop widget layer
Theme engine, keyboard shortcuts system, and settings persistence

Tech Stack

Framework

Next.js 16React 19Tailwind CSS 4RechartsZustand + ImmerTanStack React Query

Language

TypeScript

Infrastructure

SupabaseUpstash Redis

Tooling

Deck.gl + MapLibre GLxterm.jsjsnes

Details

Category
Experiment
Status
local
Year
2025
Features
10
Technologies
12

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