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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

Vanna vs langchain

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

Vanna

🤖 Chat with your SQL database 📊. Accurate Text-to-SQL Generation via LLMs using Agentic Retrieval 🔄.

Best matched with other agent tools.

23.8K
Stars
-2
Weekly
34/100
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

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.

SignalVannalangchain
Evidence statusBasic listing· 2026-10-04 09:18 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars23.8K147.4K
Weekly growth-2+599
Health scoreCaution34/100Strong84/100
Contributors883.7K
Commits per week0.050.5
Open issues289569
LanguagePythonPython
LicenseMITMIT
Last commit2026-02-02 14:14 UTC2026-10-03 08:31 UTC
Last releasev2.0.2langchain-core==1.4.0

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