AI-powered second brain

Your second brain.
Powered by free AI.

Write in blocks. Watch your notes find each other. Ask anything; the answer reads everything you've written.

Try it right here Download offline app

Free AI included — no key, no trial clock

Drag anywhere to orbit

What it is

Three parts, one workspace.

All three are running on this page.

Block-Based Editor

Type / and the whole block library is one keystroke away.

Editor

Global Graph

Every page a node, every link an edge. Clusters you didn't plan are the ones worth reading.

Graph

Free AI Integration

Ask in plain language. The answer cites the notes it came from.

Retrieval

Editor · live

This one is real. Type in it.

Press / for blocks.

Research / Attention is all you need Live
Attention is all you need
/ blocks ↑↓ move ⏎ insert esc close

Graph · live

The shape of what you know.

Click a node to read the note in place.

Global graph Live
Hover a node · click to open—
Click the graph to zoom with your scroll wheel

Agents · live

It reads before it answers.

Ask it something.

Every claim points back to a page.

Nothing is asserted without a source you can open.

Assistant · demo workspace Live

Structure

Databases where you need them.

Inline or full-page, with typed properties and relations.

Workspace
Research
Papers Database
Attention is all you need
Retrieval-augmented generation
Reading log Linked
Journal
2026 · August

Local

Or keep the model on your own machine.

Pair the desktop app and run the assistant on your own hardware.

Download offline app
0API keys to paste before you start
100%Of your workspace searchable by the assistant
∞Nesting depth for sub-pages
PDFExport any page, formatting intact

Built for focused minds

Start building your second brain.

Free, with the AI included.

Start free Play with the editor