Show HN: Kandelo – a POSIX-compatible multi-process WASM kernel for the browser

Hacker News is featuring a project called Kandelo, an open-source WebAssembly-based kernel that runs POSIX programs in browsers and Node.js. The developer says it's experimental but already runs a substantial range of software, including Nginx, PHP, and Doom. It's being tried as a foundation for WordPress Playground and as a sandbox for running agents. Demos are live, though some disk images are large and mobile support is inconsistent. The developer is inviting feedback and use cases.

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