second-brain

Private, self-hosted second brain storing and synthesizing documents and images with local LLMs and pgvector.

Webfree

second-brain is a free, open-source private, self-hosted second brain storing and synthesizing documents and images with local LLMs and pgvector. It's built for individuals wanting a fully local, private second brain, filling a gap most generic tools don't address directly.

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Behind the summary, Matchbox keeps a richer profile of second-brain - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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