Hono

hono.dev ↗

A TypeScript-friendly web framework that targets multiple JavaScript runtimes through Web Standards APIs.

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Homepage screenshot
Screenshot of the Hono homepage

What it does

Hono is a compact web framework for writing HTTP handlers, middleware, and web applications in JavaScript or TypeScript. It uses Web Standards request and response APIs so much of an application's routing code can move among environments such as Node.js, Deno, Bun, and edge runtimes. Platform-specific capabilities still use the appropriate adapter. The project is useful for developers building small APIs or web services who want a consistent request-handling model across runtimes.

Build one route, then select the runtime

Hono's basic guide starts with a project created from a platform template using npm create hono@latest. The template choice matters: the docs show options for Node.js, Cloudflare Workers, Deno, Bun, Fastly, and other deployment targets. After installing that template's dependencies, the guide runs its local development server and puts the first handler in src/index.ts.

A small service might add a health route that returns JSON, then use Hono middleware for concerns such as CORS or authentication. The framework's context object exposes request parameters and builds text, JSON, or HTML responses, while built-in middleware supplies common helpers. This is an illustrative use of documented APIs, not a project run here.

The portability comes from its use of standard Request and Response behavior, not from eliminating platform differences. The application entry point and deployment configuration vary by runtime, and features such as WebSockets use platform adapters. Choose the target environment early and follow that adapter's guide if the service needs runtime-specific functions. Hono is maintained as an open-source library under the MIT License; it is not itself a hosted API gateway or deployment service.

Strengths

  • The same core routing style can run on Node.js, Deno, Bun, and several edge or serverless runtimes.
  • First-party middleware and helpers cover common request-handling tasks, with TypeScript types built into the framework.
  • The documentation includes starter templates and runtime-specific guides rather than assuming one deployment environment.

Watch out for

  • Project entry points and deployment setup still depend on the chosen runtime, and some capabilities require separate adapters.

Best for

  • Building TypeScript HTTP services that may target more than one JavaScript runtime
  • Developers writing small edge or serverless handlers with standard Request and Response APIs
  • Teams that want middleware and routing in a lightweight framework rather than an API-hosting service

Sources