Buck2 vs OneDev: Which Should You Choose in 2026?
Choosing between Buck2 and OneDev comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 22, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Buck2
A high-performance, extensible build system designed for large, multi-language monorepos.
Best for you if:
- • You need something completely free
- • You need ide & code editors features specifically
- • Significantly faster build times compared to its predecessor, especially for large projects.
- • Ensures reliable builds through hermetic rules and strict dependency enforcement.
OneDev
The powerful and simple DevOps platform for code, CI/CD, and issue management.
Best for you if:
- • You need version control features specifically
- • Integrated DevOps platform for source code, CI/CD, and issue management.
- • Features advanced code search, security scanning, and AI-powered assistance.
| At a Glance |  Buck2 |  OneDev |
|---|---|---|
Price | Free | Free + Paid |
Best For | IDE & Code Editors | Version Control |
Rating | —/100 | —/100 |
| Feature | Buck2 | OneDev |
|---|---|---|
| Pricing Model | Free | Freemium |
| Editorial Score | — | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | IDE & Code EditorsAutomation | Version ControlBug Tracking |
How Buck2 and OneDev Compare
Buck2
A high-performance, extensible build system designed for large, multi-language monorepos.
Free
OneDev
The powerful and simple DevOps platform for code, CI/CD, and issue management.
Free tier available
Buck2 is a ide & code editors tool. OneDev is in version control.
Who Should Use What?
On a budget?
Buck2 is free. OneDev is freemium.
Go with: Buck2
Want the highest-rated option?
Neither has been rated yet.
Go with: Buck2
Value user reviews?
Neither has user reviews yet.
Go with: Buck2
3 Questions to Help You Decide
What's your budget?
Buck2 is free. OneDev is freemium. Go with Buck2 if free matters most.
What's your use case?
Buck2 is a ide & code editors tool. OneDev is in version control. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Buck2
- Completely free
- Our pick for this comparison
OneDev
- Better fit for version control
The Bottom Line
Buck2 is our pick.
Frequently Asked Questions
Is Buck2 or OneDev better?
Buck2 scores high/100 in our evaluation. Buck2 is free and OneDev is freemium.
What are Buck2 and OneDev used for?
Buck2: A high-performance, extensible build system designed for large, multi-language monorepos.. OneDev: The powerful and simple DevOps platform for code, CI/CD, and issue management..
What does Buck2 cost vs OneDev?
Buck2 is completely free. OneDev is freemium (free tier + paid plans). Visit their websites for detailed pricing.