marimo

Languages and libraries

notebook environment

SHOW HN2025

204points
27comments
#309of 3,837 in 2025
Top 9%of 2025 by points

How HN took it

LovedMost comments that take a side are positive

7 positive, 8 neutral or asking, 0 mixed, 0 critical, out of 15 comments about the project. Thread score +0.46.

Idea: 4 for, 0 againstExecution: 1 for, 0 againstPerformance: 1 for, 0 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Useful for sharing notebooks and data with non-dev colleagues

    From 2 comments
    • This is really cool -- going to show it off to my team. I love the fact that you opened it up so that it will work with Jupyter notebooks as well.
      dhbradshaw on HN
    • This is an awesome, and as a bonus I learned about a mature reactive notebook for python. Great stuff. The data sharing is awesome. I previously used Google Colab to share…
      maliker on HN
  • Hosting on GitHub Pages via WASM export is appealing

    From 1 comment
    • I absolutely love that this can be hosted on Github Pages. Am I correct in understanding that these notebooks will run independently, and will not need to proxy through…
      HanClinto on HN

Objections

  • Jupyter conversion may fail on some notebook edge cases

    From 1 comment

Requests

  • Connect SQL cells to remote data sources

    From 1 comment
    • can I config sql cells to use different data source (remote DB/APIs) instead of local duckdb?
      unrealhoang on HN
  • Support embedding non-Python binaries in the browser

    From 1 comment
    • This is an awesome, and as a bonus I learned about a mature reactive notebook for python. Great stuff. The data sharing is awesome. I previously used Google Colab to share…
      maliker on HN

Questions

  • Can it connect to in-browser databases like DuckDB WASM

    From 1 comment
    • Nice ! Is it possible to connect to an in browser DB like WASM DuckDB https://duckdb.org/docs/api/wasm/overview.html or https://github.com/babycommando/entity-db ? That would be…
      wolfgangK on HN
  • Does marimo support local file system access

    From 1 comment
    • > [ FUSE to GitHub FS ] > Notebooks created from GitHub links have the entire contents of the repository mounted into the notebook's filesystem. This lets you work with files…
      westurner on HN

Alternatives named

  • JupyterLite

    From 1 comment
    • > [ FUSE to GitHub FS ] > Notebooks created from GitHub links have the entire contents of the repository mounted into the notebook's filesystem. This lets you work with files…
      westurner on HN
  • Pyodide

    From 1 comment
    • I love seeing projects like this. When Pyiodide came out I was excited but it was a bit difficult to use, this looks and feels fantastic. I really like Observable as well, but…
      data-ottawa on HN
  • Google Colab

    From 1 comment
    • This is an awesome, and as a bonus I learned about a mature reactive notebook for python. Great stuff. The data sharing is awesome. I previously used Google Colab to share…
      maliker on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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