Looks and sounds interesting. Also nice to note that GUITAR is being open-sourced...
Posted by Kumar McMillan on 2008-03-24 at 10:44.
Roughly, it uses introspection to analyze all the possible inputs to GUI components (Java only, currently) and traces the path to other components they connect to. Then it throws all that into a "reactor" that generates runnable functional tests for each possible input combination. He has applied it to 3 popular apps from sourceforge and already discovered legitimate bugs. Cool idea! (It is hard to understand this by glancing at the site description.)