# wazero

7 Hacker News commenters recommended wazero and 1 criticized it, November 2025 to November 2026. It was recommended in 5 of 13 months.

**Verdict:** Pure Go WebAssembly runtime that people embed to run sandboxed plugins, with a well-regarded compiler and long-standing context cancellation support.

## Why people recommend it

- Used for sandboxed plugin systems (2 comments): "We're using TinyGo and the Wazero runtime for our WASM plugin system in ServiceRadar" ([source](https://news.ycombinator.com/item?id=47630678)) "I think these uses of the Wasm sandbox show a lot of promise!" ([source](https://news.ycombinator.com/item?id=49499926))
- Mature runtime with good compiler (2 comments): "wazero has supported context cancellation for a long time" ([source](https://news.ycombinator.com/item?id=46207490)) "the wazero compiler is pretty good" ([source](https://news.ycombinator.com/item?id=47955317))
- Cleanly packaged in shipped products (2 comments): "nicely packaged with wazero (pure Go WASM runtime)" ([source](https://news.ycombinator.com/item?id=47161188)) "The single binary, heterogeneous story would have fallen flat on it's face if it wasn't for the brill work you lot are doing" ([source](https://news.ycombinator.com/item?id=47988541))

## Alternatives hackers recommend

- [Wasmtime](https://hackerapproved.com/p/wasmtime.md): 16 recommend
- [Pollen WASM runtime](https://hackerapproved.com/p/pollen-distributed-wasm-runtime.md): 10 recommend
- [Pollen](https://hackerapproved.com/p/pollen.md): 8 recommend
- [Popcorn](https://hackerapproved.com/p/popcorn.md): 5 recommend

## Cite as

Hacker Approved, "wazero", https://hackerapproved.com/p/wazero/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).