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WebAssembly System Interface (WASI)

https://github.com/bytecodealliance/wasmtime/blob/main/docs/WASI-overview.md

A standard runtime for WebAssembly. Supports running WebAssembly binaries on web browsers as well as other environments such as Node.js, Wasmer and Wasmtime

Features

• Sandboxed sysroot
• WASI libc
  • MUSL libc
  • libpreopen
  • syscall wrappers (Abstraction Layer over both native OS and JS runtimes)
• WASI API

Support

WASI supports running WebAssembly on

• Native OS
• Bare Metal
• Web Polyfill
• Inside Host Applications