Wasmi

Implemented in Rust. Interpreted.

Non-MVP features supported:

Mutable Globals
Sign-extension operators
Non-trapping conversions
Multi-Value
Bulk Memory Operations
Reference Types
Tail Calls
Extended Const

Non-web standards

WASI

Used by

Substrate
smoldot
Ayaka Game Engine

Tags: vm web assembly linux macos windows

Last modified 21 June 2026