OpenWatcom C/C++ 1.3 RC3 is available for download:
http://www.openwatcom.org/ftp/devel/beta/open-watcom-os2-1.3-rc3.exe
"Open Watcom is a joint effort between SciTech Software Inc, Sybase«, and the Open Source development community to maintain and enhance the Sybase Watcom C/C++ and Fortran compiler products. Plans for Open Watcom include porting the compiler to the Linux and FreeBSD platforms, as well as updating the compilers to support the latest C and C++ ANSI standards."
web Site: http://www.openwatcom.org/
Source: OS2VOICE