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![Karen Chu](https://ph-avatars.imgix.net/71712/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
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”.
![Spin](https://ph-files.imgix.net/251bb5d2-321b-4482-965e-45b6ea5b5a0b.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
Spin
A framework for composing serverless apps with WebAssembly