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C3Nim
Free

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

 Free

Free and open source under the MIT licence.

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
  • Small dependency-free native executables
  • Compiles to C, C++ or JavaScript
  • Pre-1.0 language that may still change
  • Smaller ecosystem than C or C++
  • Smaller ecosystem and community than mainstream languages
  • Fewer libraries and learning resources available
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 October 1, 2026

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