Ángel Ortega is a programmer, writer, composer and illustrator based in El Casar (Guadalajara, Spain). Author of the award-winning Minimum Profit text editor for programmers, main musician of the Ann Hell band and many other things.
This software by Steve Kemp implements an XML-RPC server
to test if a blog comment is spam or not. It's also available
as a service from his site, at least by now.