Framework for serverless WebAssembly applications
Visit WebsiteFreemiumVisit Website
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
Pros & Cons
Pros
- WebAssembly framework
- Good for serverless
- Active development
- Good DX
- Open source
Cons
- Newer platform
- Learning curve
- Limited ecosystem
- Still maturing
- WASM limitations
Key Features
WebAssembly appsServerlessFast startupMulti-languageCloud deployOpen source
Pricing Plans
Starter
Free
Free forever
- 5 applications
- 100,000 request executions
- 5 custom domains
- 1GB key-value storage
- 1GB SQLite storage
- 5GB bandwidth
Growth
$19.38/month
Scale up
- 100 applications
- 1,000,000 request executions
- 100 custom domains
- 2GB key-value storage
- 2GB SQLite storage
- 50GB bandwidth
Enterprise
Large scale
- Custom usage limits
- Advanced support
- Organizational features
What is 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.
Reviews
Be the first to review Fermyon Spin
Your take helps the next buyer. Verified LinkedIn reviewers get a badge.
Write a reviewBest Fermyon Spin Alternatives
Top alternatives based on features, pricing, and user needs.
AWS LambdaPaid
Run code without managing servers, pay only for compute time
BeginFreemium
Deploy serverless apps instantly with minimal config
Netlify CapsulesFreemium
Push your ideas to the web, build with AI or code, and deploy instantly on one platform.
PrismaticPaid
Build, deploy, and manage customer-facing integrations at scale for B2B SaaS.
Explore More
Fermyon Spin FAQ
Is Fermyon Spin free?
Spin framework is free and open source. Fermyon Cloud has free tier. Paid cloud hosting available.
What is Fermyon Spin?
Spin is a framework for building WebAssembly microservices. Serverless apps that start in milliseconds.
Spin vs Cloudflare Workers?
Both run WebAssembly. Spin is open-source framework deployable anywhere. Cloudflare Workers is proprietary platform. Different approaches.
What languages does Spin support?
Rust, Go, JavaScript/TypeScript, Python, and others via WebAssembly. Rust has best support.
Source: fermyon.com