YOUR SECOND BRAIN — ACTIVATED
Your Mind.
Expanded.
Capture every thought. Connect every idea. Recall everything.
Cortex is the neural layer your brain has been missing.
Neural Capabilities
Bidirectional Links
Every note connects both ways. Follow thoughts forward and backward through your neural map.
Graph Navigation
See your knowledge as a living network. Discover connections you never knew existed.
Instant Recall
Search through your entire second brain in milliseconds. Your thoughts, always at hand.
Daily Synapses
Spaced repetition meets note-taking. Cortex surfaces the right ideas at the right time.
Frictionless Capture
Markdown, voice, images, code — capture anything in under 2 seconds.
Private & Local
Your second brain stays on your machine. No cloud. No tracking. Just you.
How Cortex Thinks
Capture
Drop thoughts in any format. Cortex absorbs everything.
Connect
Links form automatically. Your notes build a neural web.
Recall
Query your brain. Get answers from your own knowledge.
Ready to Think Bigger?
Join 12,000+ minds who expanded their capacity.
Activate Your Cortex