
A Map of WASM Runtimes and Frameworks (2026) — Who Actually Implements the Raw APIs?
From WASM runtimes like Wasmtime, Wasmer, WasmEdge, wazero, and WAMR, through WASI/Component Model tooling (WIT, wit-bindgen, cargo-component, jco), upper frameworks (Extism, Spin, wasmCloud, Proxy-Wasm), to GPU implementations (Dawn, wgpu) — a layer-by-layer map of who implements WASM's raw APIs, and how to choose, as of 2026.
