runtime-keys.json

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "WinterTC55 Runtime Keys Registry",
  "description": "A registry of runtime keys for JavaScript runtime environments",
  "version": "1.0.0",
  "lastModified": "2026-01-20",
  "runtimes": [
    {
      "organization": "Andromeda",
      "name": "Andromeda",
      "key": "andromeda",
      "description": "A modern, and secure JavaScript & TypeScript runtime built in Rust, powered by the Nova engine and Oxc. Provides zero-config TypeScript, rich Web APIs (Canvas, Web Crypto, Storage, HTTP, SQLite), and aims for WinterTC compliance.",
      "website": "https://tryandromeda.dev",
      "repository": "https://github.com/tryandromeda/andromeda",
      "deprecated": false
    },
    {
      "organization": "Arvancloud",
      "name": "Edge Computing",
      "key": "arvancloud",
      "description": "The JavaScript runtime that powers Arvancloud Edge Computing.",
      "website": "https://www.arvancloud.ir/en/products/edge-computing",
      "repository": null,
      "deprecated": false
    },
    {
      "organization": "Azion",
      "name": "Edge Functions",
      "key": "azion",
      "description": "Azion Edge Functions for ultra-low latency, edge-native applications, built with open standards for secure, high-performance serverless computing.",
      "website": "https://www.azion.com/en/products/edge-functions/",
      "repository": null,
      "deprecated": false
    },
    {
      "organization": "Oven",
      "name": "Bun",
      "key": "bun",
      "description": "Incredibly fast JavaScript runtime, bundler, transpiler and package manager - all in one.",
      "website": "https://bun.sh/",
      "repository": "https://github.com/oven-sh/bun",
      "deprecated": false
    },
    {
      "organization": "Convex",
      "name": "Convex Runtime",
      "key": "convex",
      "description": "The JavaScript runtime used to execute deterministic Query and Mutation Functions as well as nondeterministic Action Functions in the Convex backend platform.",
      "website": "https://docs.convex.dev/functions/runtimes#default-convex-runtime",
      "repository": "https://github.com/get-convex/convex-backend",
      "deprecated": false
    },
    {
      "organization": "Deno Land",
      "name": "Deno",
      "key": "deno",
      "description": "A modern runtime for JavaScript and TypeScript.",
      "website": "https://deno.com",
      "repository": "https://github.com/denoland/deno",
      "deprecated": false
    },
    {
      "organization": "Vercel",
      "name": "Edge Light",
      "key": "edge-light",
      "description": "Developing, testing, and defining the runtime Web APIs for Edge infrastructure.",
      "website": "https://edge-runtime.vercel.app/",
      "repository": "https://github.com/vercel/edge-runtime",
      "deprecated": false
    },
    {
      "organization": "Alibaba Cloud",
      "name": "edge-routine",
      "key": "edge-routine",
      "description": "The JavaScript/Webassembly runtime that powers Alibaba Cloud edge-routine.",
      "website": "https://www.alibabacloud.com/help/en/dynamic-route-for-cdn/latest/er-overview",
      "repository": null,
      "deprecated": false
    },
    {
      "organization": "OpenJS Foundation",
      "name": "Electron",
      "key": "electron",
      "description": "Build cross-platform desktop apps with JavaScript, HTML, and CSS.",
      "website": "https://www.electronjs.org/",
      "repository": "https://github.com/electron/electron",
      "deprecated": false
    },
    {
      "organization": "Fastly",
      "name": "JavaScript on Compute@Edge",
      "key": "fastly",
      "description": "JavaScript runtime for Fastly Compute@Edge.",
      "website": "https://developer.fastly.com/learning/compute/javascript/",
      "repository": "https://github.com/fastly/js-compute-runtime",
      "deprecated": false
    },
    {
      "organization": "Kiesel",
      "name": "Kiesel",
      "key": "kiesel",
      "description": "A JavaScript engine and runtime written in Zig.",
      "website": "https://kiesel.dev/",
      "repository": "https://codeberg.org/kiesel-js/runtime",
      "deprecated": false
    },
    {
      "organization": "Lagon",
      "name": "Lagon Runtime",
      "key": "lagon",
      "description": "Lagon is an open-source runtime and platform that allows developers to run TypeScript and JavaScript Functions at the Edge.",
      "website": "https://lagon.app",
      "repository": "https://github.com/lagonapp/lagon",
      "deprecated": false
    },
    {
      "organization": "Moddable",
      "name": "Moddable SDK",
      "key": "moddable",
      "description": "Open source runtime for resource-constrained embedded devices using standard JavaScript and TypeScript. Supports standard ECMA-419 APIs.",
      "website": "https://www.moddable.com/",
      "repository": "https://github.com/Moddable-OpenSource/moddable",
      "deprecated": false
    },
    {
      "organization": "Netlify",
      "name": "Edge Functions",
      "key": "netlify",
      "description": "Edge Functions connect the Netlify platform and workflow with an open runtime standard at the network edge.",
      "website": "https://docs.netlify.com/edge-functions/overview/",
      "repository": "https://github.com/netlify/edge-functions",
      "deprecated": false
    },
    {
      "organization": "OpenJS Foundation",
      "name": "Node.js",
      "key": "node",
      "description": "Node.js is an open-source, cross-platform JavaScript runtime environment.",
      "website": "https://nodejs.org",
      "repository": "https://github.com/nodejs/node",
      "deprecated": false
    },
    {
      "organization": "Fabrice Bellard",
      "name": "QuickJS",
      "key": "quickjs",
      "description": "QuickJS is a small and embeddable Javascript engine.",
      "website": "https://bellard.org/quickjs/",
      "repository": "https://github.com/bellard/quickjs",
      "deprecated": false
    },
    {
      "organization": "QuickJS-NG",
      "name": "QuickJS-NG",
      "key": "quickjs-ng",
      "description": "A fork of the original QuickJS project by Fabrice Bellard and Charlie Gordon.",
      "website": "https://quickjs-ng.github.io/quickjs/",
      "repository": "https://github.com/quickjs-ng/quickjs",
      "deprecated": false
    },
    {
      "organization": "Distributive",
      "name": "PythonMonkey",
      "key": "pythonmonkey",
      "description": "Mozilla JS engine embedded into a Python host environment with cross-platform datatypes and event loop.",
      "website": "https://pythonmonkey.io",
      "repository": "https://github.com/Distributive-Network/PythonMonkey",
      "deprecated": false
    },
    {
      "organization": "Meta",
      "name": "React Native",
      "key": "react-native",
      "description": "A framework for building native apps using React. This key represents supported React Native JS runtimes on native platforms (excludes react-native-web).",
      "website": "https://reactnative.dev/",
      "repository": "https://github.com/facebook/react-native",
      "deprecated": false
    },
    {
      "organization": "React",
      "name": "Server Components",
      "key": "react-server",
      "description": "Used by React Server Components.",
      "website": "https://react.dev/",
      "repository": "https://github.com/facebook/react",
      "deprecated": false
    },
    {
      "organization": "Mozilla",
      "name": "Rhino",
      "key": "rhino",
      "description": "Rhino is an open-source implementation of JavaScript written entirely in Java.",
      "website": "https://rhino.github.io/",
      "repository": "https://github.com/mozilla/rhino",
      "deprecated": false
    },
    {
      "organization": "Wasmer",
      "name": "Wasmer Edge",
      "key": "wasmer",
      "description": "The JavaScript runtime that brings JavaScript to Wasmer Edge.",
      "website": "https://wasmer.io/products/edge",
      "repository": "https://github.com/wasmerio/winterjs",
      "deprecated": false
    },
    {
      "organization": "Cloudflare",
      "name": "workerd",
      "key": "workerd",
      "description": "The JavaScript / WebAssembly runtime that powers Cloudflare Workers.",
      "website": "https://workers.cloudflare.com/",
      "repository": "https://github.com/cloudflare/workerd",
      "deprecated": false
    }
  ]
}