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Xmake vs Buck2: catalog facts
Xmake	Buck2
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Readable Lua-based build files Built-in package management with Conan and vcpkg integration	Hermetic builds by default Extensible rules written in Starlark
Less widely adopted than CMake Requires learning its Lua configuration style	Designed for large monorepos and may be heavy for small projects Learning curve for BUCK files and Starlark rules
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT OR Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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