Development
Dia was originally created by Alexander Larsson but he moved on to work on GNOME and other projects. James Henstridge then took over as lead developer but also moved on to other projects. He was followed by Cyrille Chepelov and Lars Ræder Clausen in turn.
Dia is maintained by a group of developers Hans Breuer, Steffen Macke, and Sameer Sahasrabuddhe.
Dia is written in C, and has a system of extensions that can be written in Python.
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