4chan Downloader (fourchan-dl) v1.3.1 is avalable for OS/2 and eComStation (2012/04/06).
"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 .
Link: ftp://ftp.netlabs.org/pub/qtapps/fourchan-dl-v1.3.1-os2.zip
Official Project URL: http://sourceforge.net/projects/fourchan-dl/
Port by Elbert Pol.