4chan Downloader version 1.6.1 has been ported (11/29/2013) to OS/2.
"A tool to download images from 4chan threads. Automatic rescanning for new images is supported as well as simultaneous watching multiple threads. Since it is written in Qt/C++ it is available for several platforms"
This port requires the Qt 4 libraries and libc064.dll .
Official Project URL: http://sourceforge.net/projects/fourchan-dl/
Port by Elbert Pol.
Source: OS/2 Warp News and Rumors