Welcome to the
Fermyon Developer Home

The simple, open source way to build and run apps powered by WebAssembly - the next wave of cloud compute.

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.

Start Building

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.

Deploy Apps

spinkube.dev

Run WebAssembly apps on your Kubernetes

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

Learn More

WebAssembly Language Support Matrix

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

Where to find us next

Dec 12 - 13 2024 Cloudbrew 2024

Come and catch the talk by our cloud advocate Thorsten Hans' titled "Containers and WebAssembly: Orchestrating Distributed Applications with .NET Aspire".

Mar 27 - 28 Wasm I/O 2025

Fermyon are excited to be platinum sponsors at this years' conference in Barcelona.

Mar 30 - 31 Cloud Rejekts 2025

Ahead of KubeCon EU 2025 in London, the b-side conference giving a second chance to the many wonderful talks.

Apr 1 - 4 KubeCon + CloudNativeCon EU

Fermyon are silver sponsors at KubeCon in London - come visit us at booth N500 or catch our talks and demos.

Apr 6 - 9 NAB Show 2025

Fermyon's team will be at the NAB Show in Las Vegas.

Apr 9 - 11 Google Cloud Next 2025

Fermyon will be at Google Cloud Next - to reveal something we've been working on.

Welcome to theFermyon Developer Home