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Fermyon Developer Home

We're bringing the joy back to cloud development.

Spin
Spin

The open source developer tool for WebAssembly apps

Spin's intuitive CLI and extensive features helps you get started with building, running and deploying Wasm applications.

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Fermyon Cloud
Fermyon Cloud

The quickest way to deploy and manage WebAssembly apps

Go from blinking cursor to deployed app in less than two minutes. Fermyon Cloud has free and paid usage tiers.

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spinkube.dev 
SpinKube
SpinKube

Run WebAssembly apps on your Kubernetes

Fermyon contributes to the SpinKube community project in conjunction with Microsoft, Liquid Reply, SUSE and others.

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Wasm Language Guide

WebAssembly Language Support Matrix

This guide tracks language support for compiling your code to WebAssembly.