RationalGrid is a web-based tool for exploring ideas together. It is built around turning a question, answer, quote, or rough topic into a grid that can be revisited, questioned, and shared over time.
The site describes several related uses for that grid: mapping the territory of an idea, testing it critically, remembering what is learned, developing it further, and sharing the path with others. It says a grid keeps the answer, the branches, and the next questions together so the work can continue after the first AI response. The workflow shown on the page starts with something to understand, then asks the user to choose an answer depth, with options listed as simple, high-school, university, or expert. It also states that users can keep the answer, branch from any point, and later share the map.
RationalGrid also presents a live example and a gallery of grids. The page includes a featured example titled Happiness and a gallery item titled What is a post-truth society?, described as a deep dive around Sociology and Epistemology. Navigation on the page includes Guide, About, Gallery, New Grid, Register, and Log in, which indicates the product has account-based access and a browsable gallery. The page does not state pricing or licensing details.
RationalGrid sits in PulseGate's Knowledge base & wikis category. Helping users organize, critically examine, and develop complex ideas collaboratively over time. It is built as a consumer product for knowledge workers, students, and thinkers seeking structured idea exploration. The product ships for the web.
RationalGrid first shipped in 2025. Development happens publicly on GitHub with 64 commits in the last 90 days. Key capabilities include idea mapping, branching questions, and collaborative editing.
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