XSpyDer — XSD introspection in Python for Entity-Relations was a set of open-source Python scripts to parse XSD specifications issued from the BOAMP and JOUE for their electronic-tender formats. At last use, it controlled 50,000 distinct information and controls for a subsidiary of achat-public.com, managing some 23 forms, some of which had 14 screens. This technology at first contributed to one of the only profitable businesses in this sector. Output formats were HTML and PHP mainly. It was initially developed with a team I managed. Source is published on Sourceforge.