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Bun

Blazing-fast all-in-one JavaScript runtime, bundler, test runner, and package manager

open-source AI-Native Languages & Runtimes runtime javascript typescript bundler package-manager

Bun is a high-performance JavaScript and TypeScript runtime that includes a bundler, test runner, and package manager. Significantly faster than Node.js for many workloads. Drop-in Node.js replacement with native TypeScript and JSX support. Written in Zig for maximum performance.

Pricing

MIT license, free and open source