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Second Brain for Mac and Windows

Your AI memory, everywhere you work. One memory layer, every AI tool. Store anything once — recall it in Claude, ChatGPT, Cursor, or any MCP client. Self-hosted on Cloudflare's free tier. The Second Brain desktop app gets you running in five minutes.

Self-hostedOpen source

841 stars · GitHubexternal site

Visit thesecondbrain.devexternal site

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