Introducing d3kOS
There’s a moment in every project where it stops being an experiment and starts being something real. Something you look at and think — this actually works.
I’ve been having a lot of those moments lately.
So today I want to introduce you to my little buddy — d3kOS. The Marine AI Intelligence Platform I’ve been quietly building, testing, and refining over the past months. And as of right now it’s available as a free beta download for anyone who wants to take it for a spin.
What Is d3kOS?
In the simplest terms — it’s what happens when you give your boat a brain.
d3kOS plugs directly into your existing NMEA2000 network alongside your chartplotter and fishfinder. It doesn’t replace anything you already have. It makes everything smarter. Real-time engine monitoring on a 10.1 inch touchscreen, an AI assistant that reads your actual engine manual and answers diagnostic questions based on live sensor data, voice control at the helm, camera surveillance with AI object detection — all running on a Raspberry Pi 4B.
I know. I know what you’re thinking. A Pi? On a boat?
Yes. And it works beautifully.
This Is a Beta — Here’s What That Means
I want to be straight with you the way I’d want someone to be straight with me at the dock.
d3kOS is in beta testing. That means it’s real, it’s functional, and people are running it — but it’s not production ready and I’m not pretending it is. It is absolutely not a replacement for your primary navigation or safety systems. Keep your backup instruments. Keep your paper charts. Keep your common sense.
What it is ready for is testing, feedback, and early adopters who like being first and don’t mind the occasional rough edge. If that’s you — welcome aboard.
Current version: v2.0-T3 Released: February 2026
It’s Free — Go Get It
This is the part I’m most excited to say.
d3kOS is free to download. The core platform is open source under GPL v3. You can download the full system image, flash it to an SD card, and be running in under an hour. No subscription, no paywall, no credit card.
Download it here: 👉 github.com/SkipperDon/d3kOS
The GitHub page has everything you need — the download link, the SHA256 checksum to verify your image, installation instructions, and the full technical documentation if you want to go deep.
Why This Excites Me So Much
Here’s the honest truth about why I’ve poured so much into this project.
I’ve been boating long enough to know that marine electronics have always been a tale of two worlds. Big money boats get the smart systems. Everyone else gets gauges and a chartplotter that shows you a gauge page if you’re lucky.
d3kOS changes that equation. For the cost of a Raspberry Pi and a weekend afternoon you can have an AI assistant that knows your engine better than most mechanics — because it’s read your actual service manual and it’s watching your sensors in real time. You can ask it why your oil pressure is doing something unusual at high RPM and get a real answer. Offshore. Without internet.
That’s not science fiction. That’s running on my boat right now.
And the fish identification, the collision avoidance object detection, the voice control at the helm — we’re just getting started. The roadmap is long and I’m genuinely excited about every step of it.
Come Be Part of It
If you download d3kOS and find something that doesn’t work the way it should — tell me. That’s exactly what this beta phase is for. Every bug report, every piece of feedback, every “hey this would be better if…” makes the platform stronger for every boater who comes after you.
Find me on GitHub, drop an issue, or reach out directly.
GitHub: github.com/SkipperDon/d3kOS Email: skipperdon@atmyboat.com Website: atmyboat.com
Say hello to my little buddy. I think you two are going to get along just fine.
— Skipper Don
d3kOS v2.0-T3 is beta software for testing and evaluation purposes. Not for safety-critical or production marine use. Always maintain traditional backup navigation and monitoring systems.