Freshmeat page: http://freshmeat.net/projects/pygtk/
There are a number of applications that use pygtk. Among them are Anaconda (Red Hat's new graphical install program) and Sketch (at the moment, the development branch is using pygtk).
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!