Best WebAssembly runtimes (2026)

A ranked shortlist of WebAssembly runtimes — wasmtime, wasmer, wasmedge, wasm3 — each scored by RepoPilot's maintenance and security verdict, so it tracks real repo health rather than star counts.

1. 1
   bytecodealliance/wasmtime

   not yet analysed — analyse now
2. 2
   wasmerio/wasmer

   Healthy signals · 20,651★
3. 3
   wasmedge/wasmedge

   Healthy signals · 10,583★
4. 4
   wasm3/wasm3

   not yet analysed — analyse now

Drawn from RepoPilot's analyzed corpus and ranked by popularity and health signals, refreshed from each repo's most-recent analysis. Informational only — not professional, security, or legal advice.