The elevator
Every piece of software on your computer was built for a median user that doesn't exist. You adapt to your tools instead of the other way around — and the apps you do use can't talk to each other unless two vendors decided to ship an integration.
Llumos is Lovable for native desktop apps — except the agent doesn't leave when the app is built. You describe what you want, an agent constructs it as a real app on your machine, then stays inside as the brain. Every Llumos app shares the same local data layer and the same engine, so they natively communicate and reason across your whole local stack. The tenth app you make is more valuable than the first, because it inherits both the data the previous nine collected and the same brain that runs them all.
We're starting as a tool for building personal apps. Where this ends is a personalized OS layer — the base software on your computer, shaped to you.
The longer version
The problem
Every app on your computer was built for a median user that doesn't exist. You adapt to your tools constantly. You memorize keyboard shortcuts someone else picked. You organize your notes around a folder structure that fits the app, not your brain. You keep three different to-do lists because no single one does what you actually need. That's a tax on anyone with specific taste, which turns out to be most people.
There's a deeper problem underneath. Your apps don't talk to each other. If you want your notes connected to your calendar, two vendors had to agree to ship an integration, and you get whatever thin slice of data they decided to expose. Your data lives in other people's apps, connected by permission slips those companies did or didn't sign.
Why now
The gap between "I know how I want this to work" and "I have a working version of it" used to be a full engineering project. Lovable, Bolt, and Replit closed that gap for web apps. But web apps live in browser tabs — they don't replace the software you actually rely on, they don't run when you're offline, and they don't share state with anything else on your machine.
The trajectory is visible: only engineers → no-code → AI web apps → native apps → the OS itself. Each rung used to be impossible for normal people and then suddenly wasn't. There's no reason this stops at websites.
What we're building
Llumos is an AI agent that builds native desktop apps from a description. Every app you create runs locally, is yours, and sits on a shared data layer with everything else you've built — so your apps share a brain on the same device instead of passing notes through corporate middlemen. We pair this with a community marketplace so the apps you build can be shared, forked, and remixed.
Why it works
Two things people deeply want, that no current tool delivers together.
One: your software replaces what you were using, and it's yours. A Llumos app isn't another tab next to the tools you actually rely on — it's the tool. It opens when you Cmd+Space, it runs offline, it holds your real work, and it lives as a native binary on your disk. No server in the middle, no vendor — including us — that can change the terms or take your workflow down with them. Existing AI app builders ship hosted web apps; you're renting your tools from whoever generated them. Llumos apps you own outright.
Two: every app you build shares a brain — and the brain doesn't leave. Lovable apps are islands. A site generated in one tab has no idea another exists, can't read your files, can't see your calendar, can't talk to anything you've built before or will build next — and once the AI finishes generating, it's gone too. You're left with a static thing: whatever the model wrote that day, frozen. Llumos breaks both islands at once. Every app sits on the same local data layer, so they natively communicate without integrations, APIs, or permission from a vendor. And the engine that built them stays inside as the brain, available to reason across everything you've made. That's the flywheel: the tenth app is more valuable than the first because it inherits both the data the previous nine collected and the same engine that runs them all. You keep all the customization and control of point one, and you compound it twice over — once on data, once on intelligence.
Where it goes
V1 is Lovable for native apps. The destination is the personal OS — the base layer of software on your computer reshaped to how you actually work. Linux users already do this with config files; almost nobody else can. We remove the gate.
The market is everyone who has ever muttered "I wish this just worked like this" — and increasingly, that's everyone.