http://www.openwatcom.org
"Open Watcom is a project of the open source community to maintain and enhance the Watcom C, C++, and Fortran cross compilers and tools."
"Open Watcom 1.8 RC2 (January 2009)
The second release candidate of the next version of Open Watcom is ready for evaluation by the user community. It can be downloaded from the same places as the official 1.7a release. See the list of release changes for information about how 1.8 differs from the previous release."
http://www.openwatcom.org/index.php/C_Compilers_Release_Changes
Source: OS2VOICE.org