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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

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:

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 logo Rust Docs Wasmer actively developed last release number of Github stars
C logo C/C++ Docs Wasmer actively developed last release number of Github stars
Python logo Python Docs Wasmer actively developed last release number of Github stars
Go logo Go Docs Wasmer actively developed last release number of Github stars
PHP logo PHP Docs Wasmer actively developed last release number of Github stars
Ruby logo Ruby Docs Wasmer actively developed last release number of Github stars
Postgres logo Postgres Wasmer actively developed last release number of Github stars
JS Logo JavaScript Docs Wasmer actively developed last release number of Github stars
C# logo C#/.Net Docs Miguel de Icaza actively developed last release number of Github stars
R logo R Docs Dirk Schumacher actively developed number of Github stars
Elixir logo Elixir Docs Philipp Tessenow actively developed last release number of Github stars
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! 👋

Channels