A fast, all-in-one JavaScript toolkit for running, bundling, and managing projects.
Product memo
Bun offers JavaScript and TypeScript developers a high-performance, all-in-one toolkit. It provides individual utilities like bun install for existing Node.js projects, or a complete stack with a runtime, bundler, and test runner built in. This approach gives developers a lower-risk path to test its speed and compatibility as an alternative to traditional Node.js tooling.
For who
JavaScript & TypeScript developers
Solves what
A fast, all-in-one toolkit for running, bundling, and managing JS/TS projects.
- Native bundler
- Fast runtime
- npm client
In their own words
Bun is a fast JavaScript
Bun is a fast, incrementally adoptable all-in-one JavaScript, TypeScript & JSX toolkit. Use individual tools like bun test or bun install in Node.js projects, or adopt the complete stack with a fast JavaScript runtime, bundler, test runner, and package manager built in. Bun aims for 100% Node.js compatibility.
Use individual tools like bun test or bun install in Node.js projects, or adopt the complete stack with a fast JavaScript runtime, bundler, test runner, and package manager built in.
Operator context
Team
Indie / lean
Founded
Dec 2025
Platform
API
Audience
Developers
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Complex Stack
About Bun Expand
Bun provides JavaScript and TypeScript developers with a fast, all-in-one toolkit for their projects. It includes a JavaScript runtime, native bundler, and transpiler, offering a complete environment for development.
Developers can use individual tools, such as bun test or bun install, within existing Node.js projects, or adopt the full stack. This integrated approach aims to simplify the developer workflow and improve performance compared to traditional separate tools in the JavaScript ecosystem.