When the grid goes down, the knowledge stays on.

A self-contained device that stores an offline library — Wikipedia, building and construction plans, and survival and medical manuals — and runs a local AI you can simply ask. No internet. No cloud. No subscription.

System Online
Library: Wikipedia + manuals + plans
Maps: Offline
On-device AI: Local language model
Internet: Not required

Runs 100% offline

Knowledge that doesn't need a connection

Everything lives on the device. Ask in plain language and a local AI answers from the library — no internet, no account, no cloud.

Offline Wikipedia

The encyclopedia, stored on the device. Millions of articles you can read or ask about — with zero connection.

  • Millions of articles
  • Read fully offline
  • Ask the AI about any topic

Building & Construction Plans

Blueprints and building, construction, and repair guides — reference for building, fixing, and making things when you're off-grid.

  • Construction & repair guides
  • Step-by-step references
  • On hand anytime, offline

Survival & Medical Manuals

First aid, survival, and practical how-to references — the manuals you want on hand when help is far away.

  • First aid & medical reference
  • Survival & how-to guides
  • Plain-language answers

Offline Maps

Downloaded map data that works with no signal, so you can find your way without a network.

  • Works with no signal
  • Downloaded regions
  • No data connection needed

Ask the Local AI

A language model that runs on the device and answers your questions from the whole library, in plain language. Nothing leaves the unit.

  • Runs on-device
  • Answers from the library
  • Private — nothing sent to the cloud

Self-Contained Hardware

Everything runs on a compact, low-power computer in a portable unit. Battery powered, with no internet or cloud in the loop.

  • Low-power computer
  • Battery powered & portable
  • No internet needed

What's on the device

A reference library and a local AI to search it — all working with zero internet

Offline Wikipedia

  • Millions of encyclopedia articles
  • Science, history, medicine, and how-to
  • Read it directly or ask the AI
  • Stored entirely on the device
  • No signal ever required

Building & Construction

  • Blueprints and building plans
  • Construction methods and techniques
  • Repairs and maintenance guides
  • Materials and tools reference
  • Look it up, or ask the AI

Survival & Medical

  • First aid and emergency procedures
  • Survival techniques and skills
  • Food and water basics
  • Practical how-to references
  • Answers in plain language

Maps, Offline

  • Downloaded map data on the device
  • Usable with no signal
  • Regions you choose to load
  • No data connection required
  • Find your way off-grid

Ask the Local AI

  • Ask questions in plain language
  • Answers drawn from the library
  • Summaries and explanations
  • Step-by-step how-to
  • Runs entirely on the device

Off-Grid Ready

  • No internet or cloud required
  • Nothing to subscribe to
  • Battery powered, portable unit
  • Private — data stays on the device
  • Works when the grid is down
All features work 100% offline - No internet required

Built to run with no connection

Open technology, assembled to work completely offline

AI Engine

Language Model

Knowledge Base

Offline Library

OpenStreetMap

Offline Mapping

On-Device

Single-Board Computer

System Architecture

Web Interface

Responsive web interface optimized for mobile devices and touch interfaces

Local AI Engine

A language model reads the offline library and answers your questions — all on the device

Hardware Platform

A low-power single-board computer with local storage in a portable unit — no internet dependency

How it works

An offline library and a local AI, in one self-contained unit

What's on it

Encyclopedia: Offline Wikipedia
Plans: Building & construction
Manuals: Survival & medical
Maps: Offline, by region
Guides: How-to & reference
Add more: When connected

How you use it

Ask: Plain-language questions
Answers: Drawn from the library
AI: Local model, on-device
Internet: Not required
Privacy: Nothing leaves the unit
Power: Battery, portable

No internet, no catch

No Internet

Works with zero connection, anywhere

No Cloud

Nothing is sent to a server

No Subscription

It's a device, not a service

Private by Default

Your questions stay on the unit

Made for where the internet isn't

Off-Grid & Homesteads

Reference and answers where there's no reliable internet

Emergencies & Grid-Down

Keep critical knowledge when the network and power are out

Builders & Makers

Plans and how-to guides on the jobsite, no signal needed

Remote Travel & Work

Carry a library and an AI into places the cloud can't reach

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Questions?

Ask about the device, what's on it, or anything else

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NatureBrain AI — an offline knowledge base with on-device AI.

Built with open technology • Runs on a single-board computer