Eukleides 1.5.4 is available for OS/2 and eComStation:
Hobbes: http://hobbes.nmsu.edu/h-search.php?key=Eukleides
"Eukleides, a Euclidean Geometry Drawing Language for OS/2.
Eukleides is a full featured programming language, for learning and teaching elementary plain geometry using programming and it is very useful to create high quality LaTeX documentation including scientific and engineering graphics data. The language provides conditional and iterative structures, user defined functions, modules, etc. and more, Eukleides can easily be extended."
Official Project URL: http://www.eukleides.org/