Graphscan v1.3.5 had been ported to OS/2 and eComStation (2014/05/28).
File: ftp://ftp.netlabs.org/pub/qtapps/graphscan-1.3.5-os2.7z
"GraphScan is a graphical scientific tool that allows one to grab data points and errors from figures, so that they can be re-used to, for instance, make new plots."
Requires Qt4: http://svn.netlabs.org/qt4
URL: http://svn.netlabs.org/qtapps/wiki/QT4 Graphics
Port by Elbert Pol.