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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

Cognee vs langchain

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

Cognee

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

Best matched with other agent tools.

29.4K
Stars
+12.2K
Weekly
83/100
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

Cognee is currently growing faster at +12.2K 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.

SignalCogneelangchain
Evidence statusBasic listing· 2026-10-04 09:17 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars29.4K147.4K
Weekly growth+12.2K+599
Health scoreStrong83/100Strong84/100
Contributors2303.7K
Commits per week137.750.5
Open issues508569
LanguagePythonPython
LicenseApache-2.0MIT
Last commit2026-07-26 11:08 UTC2026-10-03 08:31 UTC
Last releasev1.4.0.dev0langchain-core==1.4.0

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