It has a GUI
In the past, I fiddled with fractals. To force my-self to get started in the right directions, I started from the "other end", i.e. fixing the boring details and such before starting working on the user interface.
FOAF updates: Trust rankings are now exported, making the data available to other users and websites. An external FOAF URI has been added, allowing users to link to an additional FOAF file.
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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!