Scriba is a Mathematica-style document-centric interface to BSF languages. It ships with BeanShell, HTML, JRuby, and JScheme pre-installed. Any JSR-223 compatible engine can be plugged in. See, for example, the list of such engines in the java.net scripting project.
... until the collector arrives ...
This "blog" is really just a scratchpad of mine. There is not much of general interest here. Most of the content is scribbled down "live" as I discover things I want to remember. I rarely go back to correct mistakes in older entries. You have been warned :)