Explore data and build apps seamlessly with marimo, a next-generation Python notebook.

Marimo were first described in the 1820s by Anton E. Sauter, found in Lake Zell, Austria.

marimo is a reinvention of the Python notebook as a reproducible, interactive, and shareable Python program, instead of an error-prone JSON scratchpad. We believe that the tools we use shape the …

You can edit and run marimo notebooks in VS Code or Cursor using our extension; this provides a user interface that's similar to VS Code Jupyter, but with marimo's reactive execution, interactive …

Jan 27, 2022 · marimo is a reinvention of the Python notebook as a reproducible, interactive, and shareable Python program, instead of an error-prone JSON scratchpad. We believe that the tools we …

A reactive notebook for Python — run reproducible experiments, execute as a script, deploy as an app, and version with git.

May 26, 2025 · marimo notebooks redefine the notebook experience by offering a reactive environment that addresses the limitations of traditional linear notebooks. With marimo, you can seamlessly …

marimo is an open-source reactive Python notebook: run a cell or interact with a UI element, and marimo automatically runs dependent cells (or marks them as stale), keeping code and outputs …

With marimo, you can seamlessly reproduce and share content while benefiting from automatic cell updates and a correct execution order. Discover how marimo’s features make it an ideal tool for …

This page includes dozens of bite-sized how-to examples to help you get started with marimo. Be sure to also read the quickstart and the user guide, especially the guide on how marimo runs cells.