marimo - Documentation for the Reactive Python Notebook - marimo

# marimo > The next generation of Python notebooks - [marimo](https://docs.marimo.io/index.md): marimo is an open-source reactive Python notebook: run a cell or interact with a UI element, and… - [Commands](https://docs.marimo.io/cli.md): Welcome to marimo! Getting started: - [FAQ](https://docs.marimo.io/faq.md): marimo is a reinvention of the Python notebook as a reproducible, interactive, and shareable Python… - [Readings & Videos](https://docs.marimo.io/reading.md): marimo is a reinvention of the Python notebook. As a reinvention, marimo may push to you rethink… - [Changelog](https://github.com/marimo-team/marimo/releases) - [Security](https://docs.marimo.io/security.md): marimo takes security seriously. This document describes marimo's security model, our approach to… ## Getting Started - [Getting Started](https://docs.marimo.io/getting_started.md): These tutorials will help you get started with marimo - [Installation](https://docs.marimo.io/getting_started/installation.md): Before installing marimo, we recommend creating and activating a Python - [Quickstart](https://docs.marimo.io/getting_started/quickstart.md): Installing marimo gets you the marimo command-line interface (CLI), the entry point to all things… - [Key Concepts](https://docs.marimo.io/getting_started/key_concepts.md): This page covers marimo's key concepts: ## User Guide - [User Guide](https://docs.marimo.io/guides.md): These guides cover marimo's core concepts. - [Running cells](https://docs.marimo.io/guides/reactivity.md): marimo reacts to your code changes: run a cell, and all other cells that refer to the variables it… - [Interactive elements](https://docs.marimo.io/guides/interactivity.md): One of marimo's most powerful features is its first-class support for interactive user interface… - [Visualize outputs](https://docs.marimo.io/guides/outputs.md): The last expression of a cell is its visual output, rendered above the cell. Outputs are included… - [Working with data](htt