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Marimo

NEW
Free (open-source)· Developer Tools· Updated 1w ago

About Marimo

Marimo is a reactive Python notebook that replaces Jupyter. AI features generate cells, explain code, and debug errors while the reactive execution model ensures notebooks always stay consistent and reproducible.

Screenshot

Marimo Screenshot

Use Cases

Generate cells, explain code, and debug errors while the
Write and review code faster with AI
Autocomplete code in real time
Generate unit tests automatically

Pros & Cons

Pros

Completely free to use
Developer API for custom integrations
Speeds up the development cycle notably

Cons

Suggestions need review for edge cases
Works best on well-structured codebases
Outputs benefit from human review
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Tool Details

Pricing Free (open-source)
Category Developer Tools
Added Mar 6, 2026
Updated 1w ago Verified
Best For Software developers and engineering teams
Founded 2021
Platforms Web, CLI
Free Trial No
Public API Yes

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