Introduction

Wasmtime is a Bytecode Alliance project that is a standalone wasm-only optimizing runtime for WebAssembly and WASI. It runs WebAssembly code outside of the Web, and can be used both as a command-line utility or as a library embedded in a larger application.

Wasmtime strives to be a highly configurable and embeddable runtime to run on any scale of application. Many features are still under development so if you have a question don't hesitate to file an issue.

This guide is intended to serve a number of purposes and within you'll find:

• How to create simple wasm modules
• How to use Wasmtime from a number of languages
• How to install and use the wasmtime CLI
• Information about stability and security in Wasmtime.

... and more! The source for this guide lives on GitHub and contributions are welcome!