What is Buck2?
Buck2, a successor to Buck, excels as a large-scale build tool for C++, Python, Rust, Erlang, and OCaml projects. Its primary advantages lie in its exceptional speed, unmatched reliability, and remarkable extensibility, making it a compelling choice for large-scale software development projects.
Key Features:
- Accelerated Speed: Buck2's performance surpasses its predecessor, Buck, delivering significantly faster build times, particularly noticeable in large-scale projects.
- Reliable Hermeticity: Buck2 enforces hermeticity by default, ensuring that missing dependencies are treated as errors. This strict approach enhances the reliability of build outcomes.
- Extensible Starlark Rules: Buck2's rules are written entirely in Starlark, providing users with the flexibility to define custom rules as first-class citizens, extending the tool's capabilities.
Use Cases:
- Buck2's speed advantage benefits continuous integration and continuous delivery (CI/CD) pipelines, enabling faster feedback loops and improved productivity.
- Its reliable hermeticity is ideal for large-scale software projects with complex dependencies, ensuring consistent and predictable build outcomes.
- The extensibility offered by Starlark rules empowers developers to tailor Buck2 to their unique project requirements, enhancing its versatility and adaptability.
Conclusion:
Buck2's combination of speed, reliability, and extensibility makes it an exceptional choice for large-scale software development projects. Its superior performance, rigorous hermeticity, and flexible rule system provide developers with the tools they need to build and maintain complex software systems efficiently and confidently.
More information on Buck2
Launched
2023-02
Pricing Model
Free
Starting Price
Global Rank
8136999
Follow
Month Visit
<5k
Tech used
Google Analytics,Google Tag Manager,Fastly,GitHub Pages,Varnish
Top 5 Countries
100%
United States
Traffic Sources
12.02%
1.1%
0.07%
6.11%
32.04%
48.65%
social
paidReferrals
mail
referrals
search
direct
Source: Similarweb (Sep 24, 2025)
Buck2 was manually vetted by our editorial team and was first featured on 2023-04-08.
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