President of the OFSET, organization for the development of free software for education and teaching
Member of the APRIL - 
http://www.april.org
Quark, a 100% ARM machine code shoot'them up, see a nice review http://www.acornarcade.com/reviews/commercial/quark with screen shot, my face is around as well
MSDOS-DrGeo, an interactive geometry software for MSDOS, not really free software as well, http://www.drgeo.seul.org/last_version.html
DrGenius
, a free interactive geometry software, an attempt to link DrGeo and Gnome Genius Caclulator, it was not a success
DrGeo - http://www.ofset.org/drgeo - a free interactive geometry software with really cool stuffs as macro-construction, script and Scheme Figure.
FREEDUC, a way to show teachers what is available in the free software community http://www.ofset.org/freeduc-cd
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