dia: Dia (diagram creation program) dia: dia: Dia is inspired by the commercial Windows program 'Visio', though dia: more geared towards informal diagrams for casual use. It can be used dia: to draw many different kinds of diagrams. It currently has special dia: objects to help draw entity relationship diagrams, UML diagrams, dia: flowcharts, network diagrams, and many other diagrams. It is also dia: possible to add support for new shapes by writing simple XML files, dia: using a subset of SVG to draw the shape. dia: dia: Homepage: http://live.gnome.org/Dia