wasi

🚀 Fast and lightweight sandboxes for your apps and AI agents

A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

wazero: the zero dependency WebAssembly runtime for Go developers

WebAssembly System Interface

Lucet, the Sandboxing WebAssembly Compiler.

libxev is a cross-platform, high-performance event loop that provides abstractions for non-blocking IO, timers, events, and more and works on Linux (io_uring or epoll), macOS (kqueue), and Wasm + WASI. Available as both a Zig and C API.

Kubernetes Rust Kubelet

[Looking for active maintainers] SwiftUI-compatible framework for building browser apps with WebAssembly and native apps for other platforms

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

A language binding generator for WebAssembly interface types

WebAssembly support for the Swift programming language

Facilitates running Wasm / WASI workloads managed by containerd

Wasmer SDK: Run anything, anywhere suing WebAssembly-based sandboxes

WASI libc implementation for WebAssembly

High-performance stateful serverless runtime based on WebAssembly

Go WebAssembly runtime powered by Wasmtime

Write HTTP handlers in WebAssembly with a minimal amount of work

ruby.wasm is a collection of WebAssembly ports of the CRuby.

Translates WebAssembly modules to portable C