Mem0
Verdict: Open-source memory layer for AI agents and apps that stores and recalls user facts and context across sessions.
Fit Developer
Levels show who gets value from it — many tools work for both beginners and experts.
🚀 Getting started: Run `pip install mem0ai`, add memories with `m.add(...)` and fetch them with `m.search(...)`, or use the hosted API at mem0.ai.
✅ Good fit if you build agents that should remember users between conversations.
⛔ Not for you if you don't write code.
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Free (open source, Apache-2.0); hosted platform free tier and custom plans · Official site: https://mem0.ai/ · source checked 2026-10-26 (HTTP 200)
GitHub repo · ★ 67.9k stars (as of 2026-10-26) · More open-source AI
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