component-model

Golem is a secure, reliable runtime for agents, tools, and artifacts, powered by lightweight durable WASM VMs, with permissions agents can't bypass.

Wasm component-native RPC framework

The StarlingMonkey JS runtime

WebAssembly, WASI, and Component Model tools for Go

Pure C# WebAssembly toolchain for .NET - interpreter, AOT transpiler, NativeAOT builder, and component-model bindgen

A language-independent scripting engine for Unity and .NET using WebAssembly.

WebAssembly Component Model based REPL with sandboxed multi-language plugin system - unified codebase runs in CLI (Rust) and web (TypeScript)

An example `wasi:http` server component written in Kotlin

[WIP] A collection of cross-platform .NET libraries that provide tools for creating robust desktop applications.

Make and send apps like pictures: one .krate file that opens from a link in any browser, phones included, and runs natively on macOS, Windows and Linux. Open-source Rust runtime on Wasmtime, with permissions the person approves.

A unified Java API for executing WebAssembly across multiple runtimes (Wasmtime, WAMR, GraalWasm, Chicory) — write once, swap engines without changing code.

The asterai CLI and runtime for running WASM components bundled in environments.

Offline WebAssembly component inspection and capability-policy toolkit - decode .wasm binaries, classify host capabilities, gate against explicit policies. Rust + TypeScript, zero dependencies.

Kiln — WebAssembly runtime for safety-critical systems. Full Component Model and WASI 0.2 support. Part of the PulseEngine toolchain.

Java bindings for the Wasmtime WebAssembly runtime — dual JNI (Java 8+) and Panama FFM (Java 23+) backends, with Component Model and WASI support.

Complete support for WASI components for Zig / wasi 0.2 / wasi 0.3

A simple tool to convert a WebAssembly module to a WASI component (component model, WASI-preview2).

This repository demonstrate how to use component model with wasmtime.

Meld — Static WebAssembly component fusion. Part of the PulseEngine toolchain.

A modular AI agent built on WASM components. Every capability is sandboxed and swappable.