GNU C Compiler: The most famous and
widely used at present. Primarly for Unix and Unix-like platforms. DJGPP: Port of the GNU development utilties to
the Intel 32-bit platforms. Cygwin: This is an environment and a port of most GNU
utilties including the GCC set to the Windows platform. MinGW: Minimalist GNU for Windows.
Includes support for the GNU Compiler Collection (GCC). Turbo C: Remember
Turbo C from Borland? Now it is available as a free download. Though it's a little out of
date, it still is extremely usable. Borland C++
Builder: The compiler and command line tools are available as a free download. OpenWatcom Compilers: The original Watcom
compilers are now available as open source software. Digital Mars C/C++
Compiler: Offshoot of the Zortech/Symantec C/C++ Compilers (probably it is the Zortech
compiler re-incarnated). Touted as drop in replacements for the Symantec C/C++
compilers. lcc: Portable compiler for ANSI C. lcc-win32: Free for non-commerical
use. Windows support with IDE, etc. Pelles C: Based on lcc. With IDE, etc
for Windows platform. Ch: This is actually an interpreter.
Standard edition is free. EiC: Extensible Interactive C. Another