Spin is an open source framework for building and running event-driven serverless applications with WebAssembly (Wasm). Spin uses Wasm because it is sandboxed, portable, and fast. Millisecond cold start times mean no need to keep applications “warm”.
We're excited about Spin, a WebAssembly-based toolkit for creating supersonic serverless apps. Spin has top-level SDKs for Rust, JavaScript/TypeScript, Python, and Go. It supports many other languages besides. Spin comes with built-in SQL database, key value storage, and LLM inferencing (e.g. text-based generative AI). Spin applications can be deployed to Fermyon Cloud, Docker Desktop, and a host of Kubernetes or Nomad-based platforms.
