Spin
A framework for composing serverless apps with WebAssembly
Spin launched on October 17, 2023 with 6 votes, #1,606 of 4,393 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
Spin is an open source framework for building and running event-driven serverless applications with WebAssembly (Wasm). Spin uses Wasm because it is sandboxed, portable, and fast. Millisecond cold start times mean no need to keep applications “warm”.
Develop serverless WebAssembly apps with Spin
Powerful engine for edge apps and functions on Akamai Cloud. Solution for large-scale, high performance enterprisefrom fermyon.com
Does a similar job
all alternatives →
Lunatic – Actor System for Rust/WebAssembly2020 · github.com · ▲141Lunatic is an Erlang-inspired runtime for WebAssembly - lunatic-solutions/lunatic
Pollen – distributed WASM runtime, no control plane, single binaryApr 2026 · github.com · ▲137Distributed WASM runtime. Workloads place themselves over a zero-trust mesh. One static binary. - Sambigeara/pollen
- GPGo playground powered by WASM that runs in the browser2021 · go-playground-wasm.vercel.app · ▲140
Faasta – A self-hosted Serverless platform for WASM-wasi-HTTP in Rust2025 · github.com · ▲95I've just released an early version off my project I've been working on for a few months now and would love some feedback. https://github.com/fourlexboehm/faasta I was surprised there isn't yet an open/source and standards compliant way to host wasi-http functions in a way that takes advantages of WASM, a multi tenanted application. If you're not familiar with wasi, Compared to something like AWS Lambda, this approach is much more efficient as a single process can serve 1000s of function invocations concurrently and asynchronously, instead requiring an entire VM.…
- SDSpin-docker – a lightweight RESTful docker PaaS2014 · andrewtorkbaker.com · ▲14
Andrew Tork Baker is a founder, engineer, and developer relations leader.
More ai this month
the category →
Paintings by AI models: programs run through a simulation of oil paint.
AI · 21d ago · stillwet.art
PixVerse R2▲381A real-time world model you can explore and change
AI · 30d ago · world.pixverse.video
Source: Product Hunt launch ↗
Launched alongside, October 2023
the whole month →
Nudge 2.0▲1,051In-app experiences to activate, retain, & understand users
Growth · 2023 · nudgenow.com
Unlock AI magic for elevated customer engagement, fast
AI · 2023 · tiledesk.com
Effortlessly discover API behaviour with a Chrome extension that automatically generates OpenAPI specifications in real time for any app or website.
Dev tools · 2023 · github.com