Glass PM C++ library 1.4 is available for public download:
http://hobbes.nmsu.edu/download/pub/os2/dev/cplusplus/pmlib.zip
"Glass PM C++ library aimed to develop PM applications on C++."
Homepage: http://glass.ptv.ru/
Developed by: Dmitry A. Steklenev (glassman)
Source: eCSoft/2