Your brain is for thinking,
not for storing.
Open Brain is an AI-powered personal knowledge management system. Here I document how I build it, what I learn along the way, and share the tools (skills) so you can build your own.
Latest posts
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June 6, 2026
Your Obsidian Vault Is Dead Without a Promotion System
Most second brains are note graveyards. The problem isn't capture — it's promotion. Here's how Open Brain's promotion system works.
Featured skills
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open-brain-extract
Extraction engine. Converts any source (PDF, article, book) into atomic Literature Notes across 7 knowledge layers.
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Join the community where I share the process live.
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