Now in early access

Send anything.We'll structure it.

A memory layer for everything you consume, think, or reflect on.

Cognitive OS Live
https://twitter.com/.../thread-on-focus
Learn
voice note, 0:42, idea about the pricing page
Think
dream I had last night, felt important
Reflect
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No app to open. No folders to pick. Just forward it, like messaging yourself.

The problem

Your memory is scattered

WhatsAppNotes appScreenshotsNotion X / Twitter savesInstagram savesVoice memos Browser tabsChatGPT threadsEmailJournals YouTube playlistsSlack DMs to self WhatsAppNotes appScreenshotsNotion X / Twitter savesInstagram savesVoice memos Browser tabsChatGPT threadsEmailJournals YouTube playlistsSlack DMs to self
Why this exists

Built by someone who consumes constantly and remembers selectively, for people exactly like that.

Read the full story
How it works

Capture first. Organize never.

1
Capture
2
Understand
3
Score
4
Graph
5
Bucket
6
Alert
The mental model

Three buckets. Nothing to configure.

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Learn

What you've consumed and want to retain.

articlesvideosthreads
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Think

Ideas, questions, half-formed thoughts.

ideashypothesesquestions
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Reflect

Diary entries, lessons, dreams, the inner record.

diarylessonsdreams
Resurfacing

Not another graveyard

A weekly digest of what your brain collected, so capturing something means you'll actually see it again.

βœ• Capture β†’ Store β†’ Never open again
βœ“ Capture β†’ Remember β†’ Revisit
Your week, resurfaced
Learn
That essay from Tuesday, still unread.
Think
3 notes on a pricing idea, see them together?
Reflect
Sunday's voice note echoes last month.
Learn
This week's theme: deep work.
Under the hood

Your brain, mapped

Scoring new capture 142 connections found
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Knowledge graph

Every capture becomes a node, linked to everything it relates to. Watch your own thinking take shape.

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Scoring

Relevance, recurrence, and emotional weight, scored automatically so the important stuff rises.

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Dashboard

A live view of your buckets, your graph, and what's trending across your own mind.

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Alerts

When a pattern, a recurring idea, or an old thought resurfaces, Cognitive OS tells you.

"Don't ask people to build a second brain. Build it for them."

Send stuff. Occasionally come back. Everything complicated happens underneath.

How deep it goes

From capture to a context layer

01
Capture
Live
02
Memory
Live
03
Context
Live
04
Retrieval
Live
05
Synthesis
Live
06
Agency
Questions

FAQ

What is Cognitive OS?

A memory layer for everything you consume, think, or reflect on. Send links, voice notes, screenshots, or random thoughts in whatever form they arrive, and Cognitive OS scores, structures, and stores them so you can find and revisit them later, instead of losing them across a dozen different apps.

How does Cognitive OS work?

Six steps: capture whatever you send, understand what it actually is, score it for relevance and recurrence, connect it into a live knowledge graph, sort it into one of three buckets (Learn, Think, or Reflect), and alert you when it resurfaces or connects to something new.

What can I send it?

Anything: links or articles, tweets and posts, videos, voice notes, typed thoughts, diary or journal entries, dreams, and random ideas. You never have to organize or categorize it first, capture comes before organization.

How is this different from Notion or Obsidian?

Most second brain tools hand the organizing work back to you: tagging, filing, reviewing your own notes. Cognitive OS does that part automatically and resurfaces things through alerts and a weekly digest, so it doesn't become a graveyard of saved items you never open again.

What are the Learn, Think, and Reflect buckets?

Learn is for things you've consumed and want to retain. Think is for ideas, questions, and half-formed hypotheses. Reflect is for personal reflections, diary entries, lessons, and dreams. A simple mental model on top of a deeper knowledge graph underneath.

Is Cognitive OS available now?

It's in early access. Join the waitlist below to be notified when capture opens up.

Stop losing what you already know.

Be first in when capture opens up.