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cloudflare / workerd Public

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The JavaScript / Wasm runtime that powers Cloudflare Workers

blog.cloudflare.com/workerd-open-source-workers-runtime/

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Apache-2.0 license

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cloudflare/workerd

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The JavaScript / Wasm runtime that powers Cloudflare Workers

blog.cloudflare.com/workerd-open-source-workers-runtime/

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Apache-2.0 license

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Releases 183

v1.20250611.0 Latest

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Used by 79k

Contributors 139

+ 125 contributors

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C++ 56.5%
JavaScript 20.6%
TypeScript 17.4%
Starlark 2.0%
Cap'n Proto 1.5%
Python 1.3%
Other 0.7%

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