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LLVM vs Zig: catalog facts
LLVM	Zig
Free Free and open source.	Free Free and open source, supported by the non-profit Zig Software Foundation.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Includes the Clang C and C++ compiler Frequent, regular releases	Drop-in C/C++ compiler with cross-compilation out of the box Compile-time code execution for metaprogramming
Large toolchain to build from source Documentation is aimed mostly at compiler developers	Still pre-1.0, so breaking changes between releases are expected Smaller ecosystem than established systems languages
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0 WITH LLVM-exception	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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