IpConfigPM 1.4a (2010-05-22) source code had been released as open source software under the GNU GPL V3 license.
http://hobbes.nmsu.edu/h-search.php?sh=1&button=Search&key=IpConfigPM_1_4a.zip
IpConfigPM is a graphical interface to change IP address for network addapters Domain name and DNS servers using operating system eComstation and OS/2 Warp.

The source code requieres DrDialog to be compiled. It requires REXXUtil.
Thanks to Dusan Golubic for releasing the source code of this software to the public.