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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

Mem0 vs Prompt Engineering Guide

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

Mem0

Universal memory layer for AI Agents

Best matched with other interface tools.

61.5K
Stars
+6.0K
Weekly
92/100
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

Mem0 is currently growing faster at +6.0K stars this week.

Maintenance

Mem0 has the stronger automated maintenance signal at 92/100. 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.

SignalMem0Prompt Engineering Guide
Evidence statusBasic listing· 2026-10-04 09:18 UTCBasic listing· 2026-10-04 09:18 UTC
GitHub stars61.5K78.8K
Weekly growth+6.0K+742
Health scoreStrong92/100Watch53/100
Contributors385212
Commits per week27.10.0
Open issues707288
LanguageTypeScriptMDX
LicenseApache-2.0MIT
Last commit2026-07-22 16:04 UTC2026-03-11 20:09 UTC
Last releasecli-node-v0.2.11N/A

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