Compare software

C3 vs Zig: catalog facts
C3Zig
Free

Free and open source; the compiler and standard library use LGPL-3.0 and MIT licences.

Free

Free and open source, supported by the non-profit Zig Software Foundation.

Windows, Linux, Web, Command line Windows, macOS, Linux, Command line
  • Syntax close to C, with a C-to-C3 guide
  • Optionals, generics and compile-time reflection
  • Drop-in C/C++ compiler with cross-compilation out of the box
  • Compile-time code execution for metaprogramming
  • Pre-1.0 language that may still change
  • Smaller ecosystem than C or C++
  • Still pre-1.0, so breaking changes between releases are expected
  • Smaller ecosystem than established systems languages
Downloadable app, Web application Downloadable app
Open source Open source
License: LGPL-3.0-or-later, MIT License: MIT
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.