A framework for building high-performance plugin systems into any application, powered by WebAssembly.

wasmCloud is an open source Cloud Native Computing Foundation (CNCF) project that enables teams to build, manage, and scale polyglot apps across any cloud, K8s, or edge.

The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.

Actually Portable WebAssembly compiler toolchain for self-contained cross-platform binaries

Rust-based WebAssembly bindings to read and write Apache Parquet data

Neural Network proposal for WASI

A Cargo subcommand for creating WebAssembly components based on the component model proposal.

A Tiny Webassembly Runtime Written in Rust

Wasm Language Runtimes provides popular language runtimes (Ruby, Python, …) precompiled to WebAssembly that are tested for compatibility and kept up to date when new versions of upstream languages …

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

Write HTTP handlers in WebAssembly with a minimal amount of work

A Python Interpreter written in Rust

Tool for targetting the WebAssembly Component Model using Python

Emscripten: An LLVM-to-WebAssembly Compiler

The WebAssembly Binary Toolkit

WebAssembly System Interface

Functional, reactive WebAssembly with a twist

A repl for WebAssembly Components

A high-performance, secure, extensible, and OCI-complaint JavaScript runtime for WasmEdge.

Devtools to validate, audit and investigate WebAssembly binaries.

WebAssembly Composition (WAC) tooling

The JavaScript / Wasm runtime that powers Cloudflare Workers

WASI-enabled WebAssembly C/C++ toolchain

Native JVM WebAssembly runtime

Sandboxed runtime for programming languages and WASI binaries. Works in the browser, on your server, or via MCP.

WebAssembly Micro Runtime (WAMR)

WIT dependency manager

Virtual implementations of WASI APIs

(Unmaintained) Python wheels built for WASI