Open Watcom is described as 'Project of the open source community to maintain and enhance the Watcom C, C++, and Fortran cross compilers and tools' and is a Compiler in the development category. There are three alternatives to Open Watcom for a variety of platforms, including Mac, Windows, Linux, BSD and Cygwin apps. The best Open Watcom alternative is GNU Compiler Collection, which is both free and Open Source. Other great apps like Open Watcom are clang and LLVM.
The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages. GCC is a key component of the GNU toolchain. As well as being the official compiler of the unfinished GNU operating system, GCC has been adopted as the...
LLVM is a compiler infrastructure designed for compile-time, link-time, run-time, and "idle-time" optimization of programs written in arbitrary programming languages. Originally implemented for C and C++, the language-agnostic design (and the success) of LLVM has since...
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