Crystal Reports 9 now provides an SDK that fully integrates into JSP, Servlet, and EJB applications running on Websphere or Weblogic. This is a fairly big deal because that's all some people do with databases during their work day.
Eric Raymond has an implementation of a spam filter using Bayesian techniques - hope it's better than FetchMail ;-).
The Semantic Web is as easy as 1-2-3. Another introduction to RDF - which is not complete or anything but nice from another persons perspective.
There's also an interview with David Ascher who's been working on ActiveState's Komodo. Talking about how great Mozilla and XUL are.