Quban v0.6.1.1 (2013/09/12) is available for download for OS/2 and eComStation.

"Quban is a Qt4 program to download encoded articles from the usenet news service."
This port requires the Qt 4 libraries and libc064.dll .
File: ftp://ftp.netlabs.org/pub/qtapps/quban-0.6.1.1-os2.7z
Official Project URL: http://sourceforge.net/p/quban/home/Home/
Port by Elbert Pol.