Quick answer
What is Bun?
Answer
About Bun
Bun is develop, test, run, and bundle JavaScript & TypeScript projects.
Develop, test, run, and bundle JavaScript & TypeScript projects. Bun is an all-in-one JavaScript runtime, bundler, transpiler, and package manager โ drop-in faster replacement for Node.
Source
This answer is drawn from the Bun listing on Startup Spotlight, last updated May 20, 2026. For the full profile, see the Bun listing.
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