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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

Kotaemon vs Prompt Engineering Guide

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

Kotaemon

An open-source RAG-based tool for chatting with your documents.

Best matched with other interface tools.

25.6K
Stars
+200
Weekly
56/100
Health
Prompt Engineering Guide

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

Best matched with other interface tools.

78.8K
Stars
+742
Weekly
53/100
Health

Quick Take

Adoption

Prompt Engineering Guide has the larger GitHub footprint with 78.8K stars.

Momentum

Prompt Engineering Guide is currently growing faster at +742 stars this week.

Maintenance

Kotaemon has the stronger automated maintenance signal at 56/100. 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.

SignalKotaemonPrompt Engineering Guide
Evidence statusBasic listing· 2026-10-04 09:17 UTCBasic listing· 2026-10-04 09:18 UTC
GitHub stars25.6K78.8K
Weekly growth+200+742
Health scoreWatch56/100Watch53/100
Contributors39212
Commits per week0.10.0
Open issues236288
LanguagePythonMDX
LicenseApache-2.0MIT
Last commit2026-07-14 16:53 UTC2026-03-11 20:09 UTC
Last releasev0.12.0N/A

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