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Open source Kaggle alternatives: 2 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

2 of the 6 Kaggle alternatives we track are open source. marimo and Jupyter Notebook rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1marimo logomarimoOpen source—YesWindows, macOS, Linux +24 of 457.5
2Jupyter Notebook logoJupyter NotebookOpen source—YesWeb, Windows, macOS +25 of 554.4
  1. marimo logo

    1. marimoTop pick

    Best for: Python developers who want reproducible notebooks that live in Git as normal code

    Open sourceSelf-hostableWindows, macOS, Linux, Web, Self-hosted

    57.5

    score / 100

    Why switch from Kaggle

    Open-source reactive Python notebooks stored as plain .py files, runnable locally or in a free web sandbox.

    Pros

    • Reactive execution removes stale or out-of-order state
    • Notebooks are plain .py files with readable Git diffs
    • Can run as a script or be served as an interactive app
    • Free and Apache-2.0 licensed

    Cons

    • Not compatible with Jupyter's .ipynb format without conversion
    • Python only, with no R or Julia kernels
    • Reactive model means reusing a variable name across cells is not allowed
    Visit marimo Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is marimo a good Kaggle alternative?

    Verified facts

    4 of 4 verified
    License
    Apache-2.0
    Checked Nov 2, 2026github.com(opens source in a new tab)
    File format
    Plain Python (.py)
    Checked Nov 8, 2026marimo.io(opens source in a new tab)
    SQL
    Built-in SQL cells
    Checked Nov 8, 2026marimo.io(opens source in a new tab)
    Sharing
    WebAssembly HTML or web app
    Checked Nov 8, 2026marimo.io(opens source in a new tab)
  2. Jupyter Notebook logo

    2. Jupyter Notebook

    Best for: Students, researchers and data analysts who want to explore data step by step in a shareable document

    Open sourceSelf-hostableWeb, Windows, macOS, Linux, Self-hosted

    54.4

    score / 100

    Why switch from Kaggle

    Run the same notebook workflow on your own machine or server with no session limits.

    Pros

    • Free and open source with no paid tier
    • Supports many languages through separate kernels
    • Notebooks render on GitHub and are easy to share
    • Can be run for a whole class or team with JupyterHub

    Cons

    • Needs a local Python setup or a server; no official desktop installer
    • Out-of-order cell execution makes results easy to break
    • Old v6 extensions don't work in Notebook 7
    • Weak fit for large codebases, refactoring and debugging
    Visit Jupyter Notebook Details and reviews
    How this score is calculated
    Editorial fit ×0.352
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Jupyter Notebook a good Kaggle alternative?

    Verified facts

    5 of 5 verified
    License
    BSD-3-Clause
    Checked Nov 1, 2026github.com(opens source in a new tab)
    Languages
    40+, incl. Python, R, Julia
    Checked Nov 8, 2026jupyter.org(opens source in a new tab)
    Install
    pip install notebook
    Checked Nov 8, 2026jupyter.org(opens source in a new tab)
    Origin
    IPython project, 2014
    Checked Nov 8, 2026jupyter.org(opens source in a new tab)
    Notebook format
    Open, JSON-based
    Checked Nov 8, 2026jupyter.org(opens source in a new tab)