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Wasmer is a standalone WebAssembly runtime:

• Universal: Wasmer is available in Linux, macOS and Windows (for both Desktop and ARM)
• Fast: Wasmer aims to run WebAssembly at near-native speed
• Pluggable: Wasmer can be used from almost any programming language
• Safe: supporting WASI and Emscripten

It is used to run software fast, universally and safely: standalone applications and universal libraries.

Contents

• Quickstart
• Language Integrations
• Contribute
• Community

Quickstart

Get started with Wasmer:

1. Install Wasmer

curl https://get.wasmer.io -sSfL | sh

Note: Wasmer is also available on Windows

Alternative: Install with Homebrew

brew install wasmer

2. Use Wasmer

Download a WASM file, and use it universally! You can start with QuickJS: qjs.wasm

wasmer qjs.wasm

3. Next steps

Here is what you can do next:

• Use Wasmer from your Rust application
• Publish a Wasm package on WAPM
• Read more about Wasmer

Language Integrations

Wasmer runtime can be used as a library embedded in different languages, so you can use WebAssembly anywhere 🎉

	Language	Docs	Author(s)	Maintenance	Release	Stars
	Rust	Docs	Wasmer	actively developed
	C/C++	Docs	Wasmer	actively developed
	Python	Docs	Wasmer	actively developed
	Go	Docs	Wasmer	actively developed
	PHP	Docs	Wasmer	actively developed
	Ruby	Docs	Wasmer	actively developed
	Postgres		Wasmer	actively developed
	JavaScript	Docs	Wasmer	actively developed
	C#/.Net	Docs	Miguel de Icaza	actively developed
	R	Docs	Dirk Schumacher	actively developed
	Elixir	Docs	Philipp Tessenow	actively developed
❓	your language is missing?

Contribute

We welcome any form of contribution, especially from new members of our community 💜

You can check how to build the Wasmer runtime in our awesome docs!

Testing

Test you want? The Wasmer docs will show you how.

Community

Wasmer has an amazing community developers and contributors. Welcome, please join us! 👋

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