Home / Language / Bun Language Bun — The all-in-one JavaScript runtime Runtime, bundler, test runner and package manager in one — 1.3 made Bun.serve a real server. Official links bun.sh oven-sh/bun Bun is written in Zig Language Simple, robust systems language Bun features O Open Source Pricing Community built. Open access. Multiple licenses. Bun works with Hono Framework Ultrafast, any runtime Elysia Framework Bun-first ergonomic backend