Join the waitlist
Thinking tools for humans

A notebook that thinks back.

A thought arrives like a lump of clay. You work it, shape it, and decide what it becomes.

Built for people who think for a living.

The clay changes with the thought.

Its form and its glaze tell you exactly where it is in the loop, from a raw lump to a fired conviction.

Capture
Raw lump
A thought lands, by voice or text. No shape yet.
Spar
Celadon
You work it. The tool pushes back. Form appears.
Crystallize
Jun blue
You decide its final form, in your own words.
Fire it
Tenmoku
A conviction, made permanent. Now it is yours.
Let go
Released
Back to formless. A clean win, not a loss.
What you'd bring to it

The thoughts that keep coming back.

A decision you keep putting off.

Work it until you can make the call.

A belief you keep circling.

Pressure-test it, and see if it still holds.

An idea you haven't acted on.

Sharpen it into something you'd stand behind.

Where this comes from

An old practice.

Long before software, people kept a hard question close and returned to it until it changed them. Every tradition found its own name for the work.

Greece
maieutics
Socrates drew the idea out of you, and never handed it over.
Rome
hypomnemata
Notes to yourself, kept and reread. Marcus Aurelius called his the Meditations.
Judaism
chavruta
You study in pairs, each one there to challenge the other.
Islam
ijtihad
You reason it out yourself instead of taking it on trust.
Persia
Humata
“Good thoughts,” the oldest claim that thinking well shapes who you become.
India
vichara
You question a thought down to its root, and ask who is doing the thinking.
Alchemy
the Great Work
You refine base matter, and yourself, into gold.
Buddhism
bhavana
You cultivate a mind the way you would tend a field.
Zen
koan
A question with no quick answer, returned to for years.
China
fanxing
You turn each day and examine your own conduct.
Christianity
lectio divina
You return to a single passage slowly, again and again.
West Africa
sankofa
Go back, fetch what matters, and carry it forward.
Tibet
lojong
Short phrases you repeat until they retrain how the mind reacts.
Norse
Huginn and Muninn
Thought and Memory, two ravens sent out each day to return.

A koan is a question you sit with until it changes you. Koanloop keeps yours, and helps you think each one all the way through.

Leave with something you would stake your name on.

Koanloop is in early development. Join the first people shaping it.