Never thought of this... It turns out it is dual licensed: http://fallabs.com/license/ http://fallabs.com/license/ Although I'm not sure how difficult it woul

Never thought of this... It turns out it is dual licensed: http://fallabs.com/license/ http://fallabs.com/license/ Although I'm not sure how difficult it would be to get a license, the author now works for google and doesn't seem to answer to that email (when asking technical question anyway - offering money might get a different reaction).