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Whisper-quiet capture
A translucent panel slides over whatever you're doing. Type, hit enter, gone — the thought is safe and you're still in flow.
Clarity,
captured.
Cortex is the note-taking app that becomes your second brain. Every thought, softly held. Every connection, quietly made. Nothing you write is ever lost again.
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Idea · 2:47 AM
What if the essay opens with the lighthouse keeper’s log instead of the storm?
writingnovel
Resurfaced · from Mar 2024
“Attention is the rarest and purest form of generosity.” — S. Weil. Links to 6 notes on focus.
Suggested connections
- Deep work rituals
- The lighthouse draft
- Notes on noticing
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Markdown, always
Designed to disappear
The best second brain is the one you forget you’re using.
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more notes rediscovered
A mind that mirrors yours
Semantic links form as you write. Cortex suggests the three notes your past self would want beside this one.
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Private by design
On-device intelligence, end-to-end encrypted sync. Your inner life stays exactly that — inner.
“Using Cortex feels like thinking in low gravity. The notes are just… there, floating exactly where I need them.”
Meet your mind,
five years from now.
Every note you keep today becomes a gift to the person you’ll be. Start the collection.
Begin your second brain