oven-sh/bun
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
Build with Backblaze B2
SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.
Loading star history...
Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
5 releases in the last 90 days, the latest 19 days ago, with 448 contributors on GitHub.
Peaked at #7 in the weekly ranking the week of Nov 30, its best in the past year.
Use Cases & Benefits
- Bun is an all-in-one JavaScript runtime, bundler, test runner, and package manager designed as a fast drop-in replacement for Node.js.
- Key technologies include Zig language, JavaScriptCore engine, and built-in support for TypeScript, JSX, and Node.js compatibility.
- Strengths are high performance with reduced startup time and memory usage; limitation includes requiring Linux kernel 5.1+ and potential compatibility edge cases.
- Organizations can use Bun to streamline JavaScript/TypeScript development workflows by consolidating tools and improving build and test speeds in production.
- Ideal use cases are full-stack JavaScript/TypeScript applications, server-side rendering, rapid development environments, and projects needing fast bundling and testing.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
Other
GitHub could not identify this license; read the LICENSE file before depending on it.
Community files
- README: present
- Contributing guide: present
- Code of conduct: present
Watch-outs
- License not identified by GitHub; read the LICENSE file before depending on it.
General guidance from repository metadata, not legal advice. How we score
From the README
Bun is an all-in-one toolkit for JavaScript and TypeScript apps. It ships as a single executable called
bun.At its core is the Bun runtime, a fast JavaScript runtime designed as a drop-in replacement for Node.js. It's written in Zig and powered by JavaScriptCore under the hood, dramatically reducing startup times and memory usage.
The
buncommand-line tool also implements a test runner, script runner, and Node.js-compatible package manager. Instead of 1,000 node_modules for development, you only needbun. Bun's built-in tools are significantly faster than existing options and usable in existing Node.js projects with little to no changes.Bun supports Linux (x64 & arm64), macOS (x64 & Apple Silicon) and Windows (x64).
Linux users — Kernel version 5.6 or higher is strongly recommended, but the minimum is 5.1.
x64 users — if you see "illegal instruction" or similar errors, check our CPU requirements
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
+1,327 stars over 89 days across 30 snapshot days; best day +27 on Aug 27.
Forks
5.3K+308
Open issues
10.0K+2.0K
Compared with peers in Backend
Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| anthropics/skills | 192.3K | +5.2K | 75 | — |
| zed-industries/zed | 94.7K | +2.3K | 75 | 6 days ago |
| google/skills | 23.8K | +2.0K | 75 | — |
| NationalSecurityAgency/ghidra | 99.4K | +1.8K | 75 | 19 days ago |
| DuarteSantos8/openGym | 20.8K | +1.7K | 75 | 7 days ago |
| oven-sh/bun | 96.8K | — | 75 | 19 days ago |
| Category median | 94.7K | +2.0K | 75 | — |
Discover Repositories
Search across tracked repositories by name or description