Toolchain · 2022

Bun

Bun logo
Zig, RustWritten in
2022First released
Built from Bun ZigRust
Runtime

JavaScript runtime, bundler, and package manager by Jarred Sumner, powered by JavaScriptCore.

What is Bun written in?

Its runtime is implemented in Zig and Rust (documented). It has been rewritten in Rust.

Frequently Asked Questions

What language is Bun written in?
Bun is primarily implemented in Rust.
When was Bun first released?
Bun was first released in 2022.

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