OB1
Open Brain — The infrastructure layer for your thinking. One database, one AI gateway, one chat channel — any AI plugs in. No middleware, no SaaS.
Connect various AI tools to a single database and chat channel, allowing them to share your information seamlessly.
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Free · no card · unsubscribe anytimeOpen Brain — The infrastructure layer for your thinking. One database, one AI gateway, one chat channel — any AI plugs in. No middleware, no SaaS.
OB1 has 4.5k stars on GitHub. It has been forked 871 times. OB1 is written mainly in TypeScript. It has been in active development since 2026. Its main topics are ai-agents, mcp, memory-layer, memory-layer-for-ai.
What is OB1?
Open Brain — The infrastructure layer for your thinking. One database, one AI gateway, one chat channel — any AI plugs in. No middleware, no SaaS.
Is OB1 open source?
OB1 is an open-source project.
Is OB1 free?
Yes. OB1 is free and open source — you can use, modify and self-host it.
What language is OB1 written in?
OB1 is written mainly in TypeScript.
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