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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

Mastra vs Mem0

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

Mastra

Mastra is the modern TypeScript framework for AI-powered applications and agents.

Best matched with other interface tools.

26.4K
Stars
+2.7K
Weekly
92/100
Health
Mem0

Universal memory layer for AI Agents

Best matched with other interface tools.

61.5K
Stars
+6.0K
Weekly
92/100
Health

Quick Take

Adoption

Mem0 has the larger GitHub footprint with 61.5K stars.

Momentum

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

Maintenance

Mastra 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.

SignalMastraMem0
Evidence statusBasic listing· 2026-10-04 09:17 UTCBasic listing· 2026-10-04 09:18 UTC
GitHub stars26.4K61.5K
Weekly growth+2.7K+6.0K
Health scoreStrong92/100Strong92/100
Contributors571385
Commits per week201.627.1
Open issues512707
LanguageTypeScriptTypeScript
LicenseNOASSERTIONApache-2.0
Last commit2026-07-22 17:00 UTC2026-07-22 16:04 UTC
Last release@mastra/core@1.51.0cli-node-v0.2.11

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