INS-01
The Collector
Light-gathering for your mind. Clip a page, a highlight, or a voice memo in one keystroke — nothing burns up on entry.
Personal knowledge observatory
See the shape
of your thinking.
Cortex maps every note as a star and every link as a line of sight. The longer you write, the clearer the sky.
- Objects catalogued
- 12,408
- Links charted
- 61,332
- Oldest object
- 6y 4m
- Recall uptime
- 100%
Instruments
Built for observation, tuned for recall.
INS-02
The Linkage
Every star lists its lines of sight. Backlinks draw themselves, and constellations appear where you never planned them.
INS-03
The Ephemeris
Cortex predicts when a note is about to slip below the horizon of memory, and raises it for review that same day.
INS-04
The Vault
Your sky is yours. Local-first, end-to-end encrypted, exportable as plain Markdown. No one else holds the telescope.
“It's the first notes app that shows me what I know.”
Your sky is already up there.
Start charting it tonight. Free for your first 1,000 objects — no card, no lock-in, Markdown forever.
Open your sky