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Not a tool. Not a chatbot.

The part of you
that didn't know
existed.

The core intelligence that bonds with founders, enters the business, and turns scattered ambition into coordinated motion.

Start for free → Meet your symbiotes
They validate your idea before you waste time on it.
They learn your business sector while you sleep.
They build your product while you think about the next one.
They run your operations while you focus on growth.

One team. Every stage of your journey.

FCOS Build FCOS Brainz Business Brain Sprint Tracker
The Specialist Network

Not one AI. A whole team.

Each symbiote specialises in one area. Together they cover everything your business needs.

FCOS Symbiote
FCOS Symbiote
The Orchestrator
FCOS Build
FCOS Build
Deep coding intelligence
FCOS Brainz
FCOS Brainz
Knowledge & strategy
Business Brain
Business Brain
Financial intelligence
Meet all 13 symbiotes →
The Platform

Not separate apps. One body. One operating system.

Think Tank
FCOS Think Tank
Your AI business partner
 Synapse
FCOS Synapse
Your document workspace
 Sprint
FCOS Sprint
Your file manager
 Build
FCOS Build IDE
Your coding environment
 Brainz
FCOS Brainz
Your symbiote builder
 Store
FCOS Store
Publish apps, earn 93%

Use everything. Use one. Use them as integrations. Your choice.

The Store Economy
93%

Of every sale you make in the FCOS Store, 93% is yours.

We take 7% — split between advertising your app, promoting you, and rewarding the community that helped your app succeed.

No greed. No lock-in. The platform that makes money with you.

See the store →
Desktop App

Now on desktop.

FCOS Symbiote is available as a native Windows app. Free to download. Your entire AI team in one window.

Download for Windows →

macOS and Linux also available.

Early Access

“That looks really fucking cool. Excuse my language. Thankyou xx”

Sydney — early access user
FCOS Symbiote

I do not confuse movement
with progress.

Free to start. No credit card. Your business partner is waiting.

Get started free →