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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

langchain vs crawl4ai

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

langchain

The agent engineering platform.

Best matched with other agent tools.

147.4K
Stars
+599
Weekly
84/100
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

langchain has the larger GitHub footprint with 147.4K stars.

Momentum

langchain is currently growing faster at +599 stars this week.

Maintenance

langchain has the stronger automated maintenance signal at 84/100. 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.

Signallangchaincrawl4ai
Evidence statusVerified snapshot· 2026-10-04 09:19 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars147.4K84.7K
Weekly growth+5990
Health scoreStrong84/100Healthy66/100
Contributors3.7K95
Commits per week50.510.6
Open issues569226
LanguagePythonPython
LicenseMITApache-2.0
Last commit2026-10-03 08:31 UTC2026-09-25 06:37 UTC
Last releaselangchain-core==1.4.0v0.9.4

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