Brain
A small, blazingly fast and extensible agent runtime
Brain launched on September 3, 2026 with 8 votes, #1,109 of 8,095 launches that month and more than 90% of that year's launches.
What it does
Brain allows you to build AI native system that runs tools on anywhere from browser to sandbox; fully customizable so you can choose to run on pi/codex backed agent-loop (securely in wasm-based isolation). Its intentionally minimal and allow you to build agent beyond coding, it comes with real-time events so you could tell instantly what's going on.
A minimal and extensible agent server for building agent applications - aexhq/brain
Pricing, as stated on its site
Free — Brain is an open-source agent runtime project on GitHub with an MIT license. No pricing information is provided on the product's pages; the pricing page shown is GitHub's own pricing for their platfor
checked September 2026 · prices change
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