bunWay – Express-compatible middleware framework for Bun

Summary: bunWay enables Express teams to migrate to Bun with minimal code changes by providing familiar routing and middleware patterns. It is TypeScript-first, open source (MIT), and includes 19 built-in middleware modules covering parsing, security, sessions, authentication, uploads, logging, compression, cookies, and error handling.

What it does

bunWay replicates Express middleware and routing patterns on Bun, allowing developers to swap imports and maintain existing workflows. It bundles 19 middleware functions in one package to support common backend needs.

Who it's for

It targets Express developers seeking Bun compatibility without extensive rewrites or migration risks.

Why it matters

bunWay reduces the migration effort and risk for teams adopting Bun while preserving the Express developer experience.