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The base of the system. Free. Actually the base.

The Core is the real foundation of Indexed Brain — the folder skeleton, the tag and property registry, the file-creation rules. Not a sample, not a crippled demo: the same structure every paid module drops into.

What's in it, and what isn't.

In the Core

  • The folder skeleton
  • The closed tag and property registry
  • The file-creation rules
  • Starter templates
  • Install notes, shipped as .md — paste them into your AI and let it walk you through setup

Not in the Core

  • The full template library
  • The journal and MOC system in depth
  • The modules, including FinanceOS
  • The Operating Maps

The Core is complete for what it is: a clean, degradation-resistant base for one vault holding your business and your life. The paid system is the same base, deeper, with the maps on top.

Take the files.

I'd love an email in exchange — it's where launch news and new free assets go, nothing else.

But the point of this page is the files. So, honestly: you can skip it.

GET THE CORE

No thanks, just give me the Core →

Free · Built for Obsidian (free app)
The email is optional. The Core doesn't nag you.

Also free: one Light Operating Map.

The static version — like every template store sells. It's writable and it's pretty, and it will not stay current, because nothing feeds it.

That's the point. Put it next to the demo of the living version and you'll understand this product better than any sales page could explain it.

See the living version →

static map · writable · nothing feeds it

If the Core sticks, everything else drops in.

Every module is folders, files, and its map — landing inside the structure you're already running. No migration, no starting over, no re-filing what you've built.

You'll know within a month whether this structure fits how you work, before spending anything.

The method is free. The build is what's for sale.

The rules of the system aren't a secret you buy — the Core ships them, documented, free.

What the paid products sell is the built version: the full structure, the modules, the living maps, the walkthrough — and a real person who answers when setup goes sideways.

If you have more patience than money, the Core plus the free guides at ricardona.dev genuinely gets you there.

Reasonable suspicions.

What's the catch?

There isn't one. The email is optional, the files are the same quality as the paid ones, and the Core doesn't nag you.

Is it crippled?

No — smaller, not broken. It's the base layer of the same system, and it works as a complete minimal vault on its own.

Am I obligated to buy anything later?

No. If the Core plus your own patience covers you, that's a fine outcome — the free guides at ricardona.dev will take you further, free.

If I buy later, do I start over?

No — that's the design. Modules install into the Core in place.

What if I get stuck?

The install notes cover the fresh-vault path step by step — and there's a real email on the other end. Support isn't a paid feature.

Start with the base. Decide later.

Download the Core →

Free · the email is optional · a human answers