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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

Open Science vs crawl4ai

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

Open Science

Open Science is an open-source, local-first, model-agnostic AI research workbench with scientific agents for reproducible research and discovery.

Best matched with other agent tools.

2.6K
Stars
0
Weekly
65/100
Health
crawl4ai

Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

Best matched with other agent tools.

84.7K
Stars
0
Weekly
66/100
Health

Quick Take

Adoption

crawl4ai has the larger GitHub footprint with 84.7K stars.

Momentum

Open Science is currently growing faster at 0 stars this week.

Maintenance

crawl4ai has the stronger automated maintenance signal at 66/100. 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.

SignalOpen Sciencecrawl4ai
Evidence statusBasic listing· 2026-10-04 09:18 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars2.6K84.7K
Weekly growth00
Health scoreHealthy65/100Healthy66/100
Contributors1295
Commits per week86.510.6
Open issues34226
LanguageTypeScriptPython
LicenseApache-2.0Apache-2.0
Last commit2026-08-17 04:59 UTC2026-09-25 06:37 UTC
Last releasev0.16.0v0.9.4

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