Diffimg had been updated to version v1.5.0 (2013/02/13).
ftp://ftp.netlabs.org/pub/qtapps/diffimg-1.5.0-os2.zip
DiffImg is a simple image comparison tool which take two images with the same size as input.
Requires Qt4: http://svn.netlabs.org/qt4
PortPage: http://svn.netlabs.org/qtapps/wiki/QT4%20Graphics
Project homepage: http://thehive.xbee.net/index.php?module=pages&func=display&pageid=11
Ported by Elbert Pol.
Source: OS/2 Warp News and Rumors