wamr-bin 3.0.0.dev1

WebAssembly Micro Runtime — native CLI tools

WAMR: WebAssembly Micro Runtime

A fork of bytecodealliance/wasm-micro-runtime ported from C to Zig and maintained with AI assistance.

99.9% spec conformance — 20,878/20,901 tests passing.

Install

Pre-built binaries are published to GitHub Releases and PyPI. See installation details.

$ dist install cataggar/wamr

$ uv tool install wamr-bin

Tools

• iwasm: decode and run a WebAssembly binary file using a stack-based interpreter
• wamrc: AOT compiler — compile a .wasm module to native code

Building

Requires Zig 0.15.x. No other dependencies.

$ git clone https://github.com/cataggar/wamr
$ cd wamr
$ zig build

For release builds:

$ zig build -Doptimize=ReleaseSafe

Cross-compilation works out of the box:

$ zig build -Dtarget=aarch64-linux -Doptimize=ReleaseSafe
$ zig build -Dtarget=aarch64-macos -Doptimize=ReleaseSafe
$ zig build -Dtarget=x86_64-windows -Doptimize=ReleaseSafe

Running tests

Unit tests:

$ zig build test

Spec tests:

$ zig build
$ ./zig-out/bin/spec-test-runner tests/spec-json

License

Apache 2.0