Open Source Software
We invest in frameworks, runtimes, and SDKs that power agentic software through open source projects we maintain, depend on, or meaningfully contribute to.
Workflow SDK
Durability, reliability, and observability to async JavaScript.
shadcn/ui
Beautifully designed components that you can copy and paste into your apps.
just-bash
A simulated bash environment with a virtual filesystem.
More SDKs by Vercel
Flags SDK, Chat SDK, Streamdown AI.
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