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AI Tools Scout

An open-source AI tools directory with clear use cases, visible source freshness, and maintenance evidence for anyone deciding what to try.

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Rankings use public ecosystem signals. Treat them as a starting point, then confirm license, setup, safety, and fit with the upstream project.
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Project comparison

Marimo vs Ray

Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.

Marimo

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Best matched with other platform tools.

21.9K
Stars
+1.0K
Weekly
87/100
Health
Ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Best matched with other platform tools.

42.5K
Stars
+72
Weekly
74/100
Health

Quick Take

Adoption

Ray has the larger GitHub footprint with 42.5K stars.

Momentum

Marimo is currently growing faster at +1.0K stars this week.

Maintenance

Marimo has the stronger automated maintenance signal at 87/100. This is not a security or fit verdict.

Side-by-side evidence

Use these signals to narrow your choice, then confirm setup, license, and fit upstream.

SignalMarimoRay
Evidence statusBasic listing· 2026-10-04 09:18 UTCBasic listing· 2026-10-04 09:18 UTC
GitHub stars21.9K42.5K
Weekly growth+1.0K+72
Health scoreStrong87/100Healthy74/100
Contributors3231.6K
Commits per week37.887.6
Open issues6003.5K
LanguagePythonPython
LicenseApache-2.0Apache-2.0
Last commit2026-07-22 17:07 UTC2026-05-11 23:54 UTC
Last release0.23.14ray-2.55.1

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