Simon Willison’s Weblog

27th July 2025 - Link Blog

The many, many, many JavaScript runtimes of the last decade (via) Extraordinary piece of writing by Jamie Birch who spent over a year putting together this comprehensive reference to JavaScript runtimes. It covers everything from Node.js, Deno, Electron, AWS Lambda, Cloudflare Workers and Bun all the way to much smaller projects idea like dukluv and txiki.js.