bun
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
Overview
There's no cost to use bun at all — it's free, full stop.
bun is a standout performer on our rating metric, scoring 4.8 out of 5 on our rating metric.
Over the period tracked, bun has seen a sharp upward trajectory, up about 1712% over 4 years.
of the 3 metrics we track, bun comes out ahead on 2.
bun has been around since 2021, long enough to shake out early rough edges.
Key stats
The trade-offs
Strengths
- Comes out ahead on github stars — 96,530 against a category average of 35,781.
- Popularity score leads the category average: 4.8 / 5 vs. 4.2 / 5.
- Free to use, with no paid tier required to get started.
Watch-outs
- Growing fast enough that current figures may shift quickly — verify before relying on them.
How bun stacks up
| Feature | bun | JavaScript Bundlers average |
|---|---|---|
| GitHub Stars | 96,530 | 35,781 |
| Forks | 5,257 | n/a |
| Popularity score | 4.8 / 5 | 4.2 / 5 |
Usage over time
Frequently asked questions
Is bun free to use?
Yes — bun is free, with no paid tier required to get started.
Is bun good? What's its rating?
bun scores 4.8 out of 5 on our rating metric, versus a JavaScript Bundlers category average of 4.2.
How many people use bun?
bun has roughly 96.5K users/stars tracked, compared to a category average of 35.8K.
When was bun founded?
bun was founded in 2021, making it 5 years old.
Is bun growing?
Yes — usage is up roughly 1712% over the past 4 years.
Ready to see bun for yourself?
Opens the official site in a new tab.