Bun

Peak

Developer Tools

Visit

Heat Score

7-Day Change

A.R.C. Grade

—

Pricing

free

Bun is a JavaScript runtime, bundler, and package manager built to run JavaScript and TypeScript faster than Node.js and its traditional tooling.

Fast all-in-one JavaScript runtime, bundler, and package manager

What the signals say about Bun

Bun holds a HookFlow heat score of 61/100 in Developer Tools, currently showing attention near the top of its current cycle. Its score has moved -20 points over the last 30 days. On the Lock-In Index it scores 100/100 (high lock-in, with significant switching cost).

Heat Score

0–100 viral momentum index combining social buzz, search trends & growth velocity

14-day trend

-9

24h

-20

30d

Computed from 5 live sources in the latest pipeline run — more sources, higher confidence.

Heat Score Breakdown

Creator Buzz (30%)66

Search Interest (25%)82

Community Discussion (20%)41

Growth Momentum (25%)50

What is Bun used for?

Bun serves as a JavaScript runtime for executing code, a bundler for packaging applications, and a package manager for managing dependencies. It handles JavaScript and TypeScript execution in a single tool.

How does Bun compare to Node.js?

Bun is designed to be faster than Node.js. It consolidates runtime, bundling, and package management into one tool, whereas Node.js typically requires separate tools for these functions.

Does Bun support TypeScript?

Yes, Bun natively supports TypeScript execution without requiring separate compilation steps.

What does Bun cost?

Bun is free to use.

A.R.C. Score

A.R.C. ratings are calculated for developer infrastructure and API-first tools. This tool hasn't been evaluated yet or falls outside the A.R.C. scope.

🔓Data Lock-In Index

100/ 100

Lower = more portable. 0 = fully open, 100 = maximum lock-in.

✗ Webhooks Out✗ Bulk Export✗ Open Formats

Pricing

free

Best For

Teams & Solo