SIXX is an XML serializer/deserializer written in Smalltalk(currently Squeak 4.6 - 6.0, Pharo 5 - 10, VisualWorks 5i.4 - 7, and Dolphin XP are supported). The purpose is to store and load Smalltalk objects in a portable, dialect-independent XML format. YAXO or VWXML is needed to run SIXX