OPENCP is published under the GNU General Public License (GPL). That means you can use this software without charging for it. However OPENCP is not in the public domain! The source code is available to the public and everybody is encouraged to make changes to it. Please send any modifications and bugfixes to the authors. The authors do not take any warranty for any damages whatever kind produced by this software. For further details see the file COPYING.TXT.
Currently MS-DOS and Windows95 are supported operating systems. A Linux version is planned for the future. A graphical GUI when running under Windows is in development too. Perhaps in the far future OPENCP can be ported to standard C++ code to compile well under all native unix environments. If you are an experienced developer and would like to help us porting or improving this software please contact the authors.