There is a mailing list, toolserver-l, available only to members of this project. Projects are conducted autonomously by project members, using development tools of their choice: Perl, PHP, JSP, Python and Scheme are among those used. The project uses hardware donated by Sun Microsystems. See http://tools.wikimedia.de/root/index.jsp
License: Various free
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.
Keep up with the latest Advogato features by reading the Advogato status blog.
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!