Your offline library—
ready when the world isn't.
No subscriptions. No signal. No technical knowledge required. Just everything you need to know — priced for people, not for margin.
1,000+ on the waitlist · 2.4M views · still building · read my story
What it does
The network, the server,
and the library — one device.
Built from the ground up for people with no technical background. No setup, no subscription, no signal required. Priced for people, not for margin.
Stores knowledge locally
Survival manuals, DIY guides, educational tools, Wikipedia — hosted privately on the device. No cloud, no third-party servers, no internet required.
- Runs on SD card or internal drive
- No cloud sync, no third-party servers
- Content stays accessible indefinitely
Creates its own network
Broadcasts its own Wi-Fi hotspot. Connect from any existing phone or laptop — no router, no ISP, no infrastructure required.
- No router, ISP, or infrastructure needed
- Works with any browser on any device
- Standard Wi-Fi — nothing to install
Serves many users at once
Multiple devices connect simultaneously and access the full library from any browser. No account, no login, no subscription.
- Multiple simultaneous connections
- No account, login, or subscription
- Full library available to every user
Solar and battery ready
High-endurance, low-power hardware built for offline resilience. Runs off a battery bank or solar panel — designed for power cuts and remote use.
- Powers via USB or standard battery bank
- Compatible with solar charging setups
- Designed for long, uninterrupted uptime
404Kit vs. the alternatives
| 404Kit | Everything else |
|---|---|
| Works with zero existing infrastructure | NAS devices require a network first |
| One-time cost, no subscription | Cloud tools require ongoing payments |
| Your data never leaves your hands | Cloud storage depends on third parties |
| Portable — goes wherever you go | Fixed servers stay in one place |
| Solar and battery compatible | Server hardware needs stable mains power |
| Multi-device sharing from one device | Individual offline tools serve one person |
404Kit is still in development. Be first to know when it ships.
Get Launch AccessWho it's for
Built for people who
can't rely on the internet.
Ready when the grid goes down
Power cuts, network outages, digital censorship — 404Kit keeps your essential knowledge accessible no matter what happens to the infrastructure around you.
Teach anywhere, no signal required
Deliver curriculum, references, and learning resources from a single device. No ISP contract, no subscription, no dependency on connectivity.
Organizers who work in the field
Mutual aid organizers and relief workers need information that travels with them — not information that disappears when the internet does.
Take your library anywhere
Off-grid travelers and remote workers deserve access to knowledge without being tethered to a signal. 404Kit is your library on the road.
The network
One device.
Everything you need to know.
404Kit broadcasts a local Wi-Fi hotspot. Any nearby device connects and gets instant access to your offline library — no internet required.
What you can store and serve
Survival manuals
First aid, emergency medicine, wilderness survival basics
DIY guides
Construction, off-grid systems, repairs and maintenance
Educational tools
Open-source curriculum and educational reference books
Offline maps
Detailed navigation data via OpenStreetMap
Reference libraries
Technical documentation and encyclopedias
Wikipedia offline
Nearly all of English Wikipedia — around 100GB
Join 1,000+ people waiting
Priced for people.
Be first to know when it ships.
404Kit is still in development — built from the ground up for people who just need it to work. No technical knowledge required. No subscription, ever.
- 2.4M views across TikTok & Instagram
- 1,000+ already signed up — growing daily
- No spam. Just the launch announcement.