TL;DR - Fermyon Spin
- Fermyon Spin is a framework for building and running WebAssembly microservices
- It enables fast-starting serverless functions written in Rust, Go, and other languages
- Free and open-source, Fermyon Cloud from free tier
Pricing: Free plan available
Best for: Growing teams
Score: 76/100
Pricing
Freemium
View pricing Fermyon Spin offers a free plan with paid upgrades.
About Fermyon Spin
Fermyon Spin runs WebAssembly applications with near-instant cold starts. Serverless without the cold start penalty—edge computing that responds immediately.
The startup times are genuinely fast. Multiple languages compile to Wasm. The developer experience is smooth.
Applications needing serverless with predictable response times choose Spin for WebAssembly that starts instantly.
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Fermyon Spin FAQ
Spin framework is free and open source. Fermyon Cloud has free tier. Paid cloud hosting available.
Spin is a framework for building WebAssembly microservices. Serverless apps that start in milliseconds.
Both run WebAssembly. Spin is open-source framework deployable anywhere. Cloudflare Workers is proprietary platform. Different approaches.
Rust, Go, JavaScript/TypeScript, Python, and others via WebAssembly. Rust has best support.