RationalGrid gives you a clearer way to understand difficult ideas, test what matters, and build knowledge you can return to and share.
Start here
Start with one question, then branch into as many follow-ups as you need. Each answer keeps the context above it.
Start a new grid
Start with a question
Bring any question, idea, or source into one focused workspace.
Branch into follow-ups
Ask as many questions as you need from any idea in the grid.
Keep the context
Each answer keeps its parent’s context, so the whole thread stays connected.
Keep the answer, context, and next steps together instead of losing useful thinking in a chat.
See how RationalGrid turns a question into a workspace you can revisit and share.
Visit the YouTube channelA deep dive around Sociology and Epistemology.
A developing map around Mathematics and Chaos Theory.
Industries and use cases
Use a grid wherever a single answer is not enough and the reasoning needs to remain visible.
Build study maps, compare interpretations, and turn research into reusable learning paths.
Explore strategy, policy, and change while keeping assumptions and objections in view.
Organise evidence, competing explanations, open questions, and promising next investigations.
Make trade-offs legible across policy, ethics, communities, and civic debate.
Your grids, highlights, and followed ideas become a public trail people can learn from, return to, and build on with their own questions.
Personal library
Public grids and highlights become entry points others can build from.
Follow thinkers
Follow profiles, then ask new questions from the ideas they uncover.
Shared contribution
Every profile, grid, node, and highlight has a URL for adding context.
TomBers
Makes MuDG
You’ll find thinking on Philosophy, Sociology, and History here, spread across 127 public grids.
127
grids
1425
ideas
2
followers
What is the collective subconscious?
A public deep dive followers can question, extend, and build on.
/g/what-is-the-collective-subconscious-637e9a
Highlighted a passage
Saved a quote so others can add context, objections, or next steps.
unique highlight URL
People can follow along
Followers see activity and contribute their own questions from your trail.
Community grids
Find useful starting points, see how others think through a topic, and carry the best ideas into your own work.
A deep dive around Epistemology and Philosophy of Science.
A developing map around User Experience and Product Design.
A developing map around Philosophy and Psychology.
Public profiles
Your profile brings together the public grids and ideas you want to share, so other people can follow your trail and build on it.
Share your grids
Make useful questions easy to find.
Find thinkers
Follow people whose ideas help you learn.
Keep a trail
Give every idea a place to grow.
Explore
Browse public grids for questions to follow, challenge, or use as a starting point for your own.
Curated
A developing map around Artificial Intelligence and Philosophy.
A developing map around Political Philosophy and Fascism.
A deep dive around Memetics and Philosophy of Language.
A deep dive around Epistemology and Philosophy of Science.
A developing map around User Experience and Product Design.
A developing map around Philosophy and Psychology.
A developing map around Critical Thinking and Creativity.
A developing map around Firearms Safety and Tactical Training.
A seedling around Philosophy and Metaphysics.
A developing map around Ethics and Meta-ethics.
A developing map around Mathematics and Chaos Theory.
A seedling around Machine Learning and Software Engineering.
A developing map around Ethics and Suicide Prevention.
A developing map around Legal History and British History.
A developing map around Programming and Python.
Public profiles
A public profile brings your shared grids together, so people can discover your ideas and build on them.
Your public trail
Grids, ideas, and highlights in one place.
