# marimo

> A Python notebook that reruns itself correctly

- Website: https://marimo.io/?ref=swipetolaunch&utm_source=swipetolaunch&utm_medium=referral&utm_campaign=markdown
- Score: 52% approval
- Swipes: 25 total — 13 right, 12 left
- Ranked on the board: yes
- Listing: Free; votes are counted the same as for every listing
- Categories: Developer Tools, Analytics
- Tags: Data Science, Python, Open Source
- Pricing: free
- Domain Rating: 72/100, a backlink-authority score for marimo.io, read 2026-10-25
- Submitted: 2025-09-25
- Page: https://swipetolaunch.com/p/marimo

## About

marimo is a reactive Python notebook. Change a cell and everything downstream updates, so the notebook state always matches the code you can see.

Notebooks are stored as plain Python files, so they diff and run as scripts.

## How the score works

The percentage is the raw share of swipes that went right. Rankings weigh that share against the number of swipes (a prior of 25 swipes at 50%), so a high score from a handful of swipes ranks below a slightly lower score from many. Anyone can swipe without an account; each browser or account swipes a product once.