Adding runtime functions and changing safety checking mechanisms are trivial operations.
Runtime  | Method  | x86_64  | x86  | aarch64  | thumb  | URL  | 
aWsm  | AoT  | ✓  | ✓  | ✓  | ✓  | You are here  | 
Wasmtime  | AoT  | ✓  | ✓  | ✓  | https://github.com/bytecodealliance/wasmtime  | |
Wasmer  | AoT  | ✓  | ✓  | ✓  | https://github.com/wasmerio/wasmer  | |
WAMR  | Pseudo-AoT/Int  | ✓  | ✓  | ✓  | ✓  | https://github.com/bytecodealliance/wasm-micro-runtime  | 
Wasm3  | Int  | ✓  | ✓  | ✓  | ✓  | https://github.com/wasm3/wasm3  | 
Wasmi  | Int  | ✓  | ✓  | ✓  | ✓  | https://github.com/paritytech/wasmi  | 
This is not an exhaustive list! There are many others as this is a pretty active area.










