Binaries and source code are available free of charge on the Starboard Tack Scoring download page. Note that it is not necessary to download the source code in order to use the program.

Select and download the latest version of STS appropriate for your platform. You must also acquire the Java Runtime Environment (JRE) separately. The JRE is available free of charge, here, from Sun Microsystems. STS requires the Java Runtime Environment, version 5.0 or later.