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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

CrewAI vs langchain

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

CrewAI

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Best matched with other agent tools.

51.2K
Stars
+504
Weekly
88/100
Health
langchain

The agent engineering platform.

Best matched with other agent tools.

147.4K
Stars
+599
Weekly
84/100
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

CrewAI has the stronger automated maintenance signal at 88/100. 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.

SignalCrewAIlangchain
Evidence statusBasic listing· 2026-10-04 09:18 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars51.2K147.4K
Weekly growth+504+599
Health scoreStrong88/100Strong84/100
Contributors2983.7K
Commits per week32.850.5
Open issues288569
LanguagePythonPython
LicenseMITMIT
Last commit2026-05-11 21:00 UTC2026-10-03 08:31 UTC
Last release1.14.4langchain-core==1.4.0

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