http://www.dasbistro.com/~erik/projects.html
I have one or two moderately fun things there that I'm doing there. Not a whole lot of source available yet, but I'm the kind of person who doesn't want anyone looking at my code until I've taken all of the embarassing stuff out.
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!