30 releases (12 stable)
|3.0.2||Nov 26, 2022|
|3.0.0-rc.1||Oct 25, 2022|
|3.0.0-alpha.4||Jul 29, 2022|
|2.3.0||Jun 6, 2022|
|1.0.0-rc1||Dec 23, 2020|
#61 in Procedural macros
124,953 downloads per month
Used in 115 crates (3 directly)
Wasmer is a fast and secure WebAssembly runtime that enables super lightweight containers to run anywhere: from Desktop to the Cloud, Edge and IoT devices.
- Secure by default. No file, network, or environment access, unless explicitly enabled.
- Supports WASI and Emscripten out of the box.
- Fast. Run WebAssembly at near-native speeds.
- Embeddable in multiple programming languages
- Compliant with latest WebAssembly Proposals (SIMD, Reference Types, Threads, ...)
Wasmer CLI ships as a single executable with no dependencies.
curl https://get.wasmer.io -sSfL | sh
Other installation options (Powershell, Brew, Cargo, ...)
Wasmer can be installed from various package managers. Choose the one that fits best for your environment:
iwr https://win.wasmer.io -useb | iex
Homebrew (macOS, Linux)
brew install wasmer
scoop install wasmer
choco install wasmer
cargo binstall wasmer-cli
Note: All the available features are described in the
cargo install wasmer-cli
Looking for more installation options? See the
wasmer-installrepository to learn more!
$ wasmer qjs.wasm QuickJS - Type "\h" for help qjs > const i = 1 + 2; qjs > console.log("hello " + i); hello 3
Here is what you can do next:
📦 Language Integrations
The Wasmer runtime can be used as a library embedded in different languages, so you can use WebAssembly anywhere.
|R||no published package||Learn|
|Postgres||no published package||Learn|
|Swift||no published package|
|Zig||no published package|
|Crystal||no published package||Learn|
|Lisp||no published package|
|Julia||no published package|
|V||no published package|
We appreciate your help! 💜
We recommend reading the following guide on how to contribute into a complex project successfully: https://mitchellh.com/writing/contributing-to-complex-projects
Wasmer has an amazing community of developers and contributors. Welcome, please join us! 👋